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* MysteriousPast: Other than being the owner of the cafe, we don't know anything about him. [[Spoiler:After Episode 2, we know for sure that he isn't human...]]
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* ButtMonkey: Got caught for cheating, was blamed for murder, [[spoiler: lost his girlfriend]], the list goes on for poor Banjou...

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* ButtMonkey: Got caught for cheating, was blamed for murder, [[spoiler: lost his girlfriend]], frequently teased by the gang, the list goes on for poor Banjou...
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* ButtMonkey: Got caught for cheating, was blamed for murder, [[spoiler: lost his girlfriend]], the list goes on for poor Banjou...
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* GratuitousItalian: Sprinkles his dialog with various Italian phrases, often [[LargeHam hamming them up]] for added effect.


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* MysticalWaif: She has the power to purify the Smash essences, with in turn allows Sentou to create new Full Bottles for Build. Why and how she can do it is not known.
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MissionControl: Provides Build with this.
NoSympathy: PlayedForLaughs with him making Sentou pay for rent.

to:

* MissionControl: Provides Build with this.
* NoSympathy: PlayedForLaughs with him making Sentou pay for rent.

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----
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\\
Isurugi's daughter, who has a mysterious power that purifies Smash essences.


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*SleepyHead: Tends to tire out after using her powers.
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\\
The owner of nascita, the cafe where Sentou and Banjou hide their base of operations. He helps out the duo with occasional surveillance.
----
MissionControl: Provides Build with this.
NoSympathy: PlayedForLaughs with him making Sentou pay for rent.

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Changed: 6

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[[quoteright:204:http://static.tvtropes.org/pmwiki/pub/images/souichi_profile.png]]



[[quoteright:188:http://static.tvtropes.org/pmwiki/pub/images/misora_profile.png]]

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[[quoteright:188:http://static.[[quoteright:204:http://static.tvtropes.org/pmwiki/pub/images/misora_profile.png]]
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[[quoteright:188:http://static.tvtropes.org/pmwiki/pub/images/misora_profile.png]]
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* Expy: An expy of [[Series/KamenRiderWizard Shigeru Wajima]] as they both work on creating their respective TransformationTrinkets, but don't know its exact effects until Haruto/Sentou uses it.

to:

* Expy: An expy of {{Expy}}: Of [[Series/KamenRiderWizard Shigeru Wajima]] as they both work on creating their respective TransformationTrinkets, but don't know its exact effects until Haruto/Sentou uses it.

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\\
A freelance reporter working in Touto, she seeks to uncover the mysteries behind the Smash and their foe, Kamen Rider Build.
----
* HotScoop: She's quite attractive.
* IntrepidReporter: Tries to uncover the mystery around Smash and Kamen Rider. Her first reaction after seeing a Smash is to try and take a picture of it. Unfortunately, this crosses with TooDumbToLive.



* IntrepidReporter: Tries to uncover the mystery around Smash and Kamen Rider. Her first reaction after seeing a Smash is to try and take a picture of it. Unfortunately, this crosses with TooDumbToLive.
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[[quoteright:188:http://static.tvtropes.org/pmwiki/pub/images/saki_8.png]]
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Corrected the spellings of certain names


[[folder:Sento Kiryu/Kamen Rider Build]]
!!Sento Kiryu/Kamen Rider Build

to:

[[folder:Sento [[folder:Sentou Kiryu/Kamen Rider Build]]
!!Sento !!Sentou Kiryu/Kamen Rider Build



The main protagonist, Sento is a theoretical physicist suffering from amnesia. He uses his abilities to transform into Kamen Rider Build, in order to fight the Smash and learn the truth about himself.

to:

The main protagonist, Sento Sentou is a theoretical physicist suffering from amnesia. He uses his abilities to transform into Kamen Rider Build, in order to fight the Smash and learn the truth about himself.



* BadassBookworm: Sento is proficient with firearms, can ride his bike at high speeds, and has decent hand-to-hand fighting skills even when he isn't Build.

to:

* BadassBookworm: Sento Sentou is proficient with firearms, can ride his bike at high speeds, and has decent hand-to-hand fighting skills even when he isn't Build.



* ContrastingSequelProtagonist: Sento is obviously more acerbic than Emu Hojo and his reason for fighting Faust and the Smash isn't so much about helping people as it is shaking down the MonsterOfTheWeek for information about his past. He also has a similarly compelling contrast with [[spoiler:Dan Kuroto]], TheSixthRanger of KamenRiderExAid as each one is an InsufferableGenius who created his own belt and weaponry while seeking validation for their accomplishments and talents. It's just that Sento is much more genuine and heroic in how he goes about it and interacts with others.

to:

* ContrastingSequelProtagonist: Sento Sentou is obviously more acerbic than Emu Hojo and his reason for fighting Faust and the Smash isn't so much about helping people as it is shaking down the MonsterOfTheWeek for information about his past. He also has a similarly compelling contrast with [[spoiler:Dan Kuroto]], TheSixthRanger of KamenRiderExAid as each one is an InsufferableGenius who created his own belt and weaponry while seeking validation for their accomplishments and talents. It's just that Sento Sentou is much more genuine and heroic in how he goes about it and interacts with others.



* GeniusBruiser: Sento is a physicist and the most intelligent of the Heisei Riders, while being as combat-capable as all the other Riders are.

to:

* GeniusBruiser: Sento Sentou is a physicist and the most intelligent of the Heisei Riders, while being as combat-capable as all the other Riders are.



* MeaningfulName: Sento's name is composed of the first kanji for tank (戦車 Sensha) and the kanji for rabbit (兎 To).

to:

* MeaningfulName: Sento's Sentou's name is composed of the first kanji for tank (戦車 Sensha) and the kanji for rabbit (兎 To).



* SmugSuper: While still present untransformed, Sento's more cocky and assured of himself while suited up.

to:

* SmugSuper: While still present untransformed, Sento's Sentou's more cocky and assured of himself while suited up.



[[folder:Ryuga Banjou]]
!!Ryuga Banjou

to:

[[folder:Ryuga [[folder:Ryuuga Banjou]]
!!Ryuga !!Ryuuga Banjou



A former prize fighter disqualified for cheating, later convicted of murdering a scientist investigating the Pandora Box. Like Sentou, he was experimented on, but managed to escape and now takes refuge with Sento.

to:

A former prize fighter disqualified for cheating, later convicted of murdering a scientist investigating the Pandora Box. Like Sentou, he was experimented on, but managed to escape and now takes refuge with Sento.Sentou.



* EscapedFromTheLab: He escaped on his own from Faust's lab just before he was turned into a Smash. It was presumably the same lab Sento was held before.

to:

* EscapedFromTheLab: He escaped on his own from Faust's lab just before he was turned into a Smash. It was presumably the same lab Sento Sentou was held before.



* YouHaveToBelieveMe: Says this word from to word to Sento. The fact that he is convicted murderer and clearly not in good mental state doesn't help. On the other hand, he has a pretty good reason to be freaked out so it's no wonder he doesn't make much sense.

to:

* YouHaveToBelieveMe: Says this word from to word to Sento.Sentou. The fact that he is convicted murderer and clearly not in good mental state doesn't help. On the other hand, he has a pretty good reason to be freaked out so it's no wonder he doesn't make much sense.
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* BadassBookworm: Sentou is proficient with firearms, can ride his bike at high speeds, and has decent hand-to-hand fighting skills even when he isn't Build.

to:

* BadassBookworm: Sentou Sento is proficient with firearms, can ride his bike at high speeds, and has decent hand-to-hand fighting skills even when he isn't Build.



* ContrastingSequelProtagonist: Sentou is obviously more acerbic than Emu Hojo and his reason for fighting Faust and the Smash isn't so much about helping people as it is shaking down the MonsterOfTheWeek for information about his past. He also has a similarly compelling contrast with [[spoiler:Dan Kuroto]], TheSixthRanger of KamenRiderExAid as each one is an InsufferableGenius who created his own belt and weaponry while seeking validation for their accomplishments and talents. It's just that Sentou is much more genuine and heroic in how he goes about it and interacts with others.

to:

* ContrastingSequelProtagonist: Sentou Sento is obviously more acerbic than Emu Hojo and his reason for fighting Faust and the Smash isn't so much about helping people as it is shaking down the MonsterOfTheWeek for information about his past. He also has a similarly compelling contrast with [[spoiler:Dan Kuroto]], TheSixthRanger of KamenRiderExAid as each one is an InsufferableGenius who created his own belt and weaponry while seeking validation for their accomplishments and talents. It's just that Sentou Sento is much more genuine and heroic in how he goes about it and interacts with others.



* GeniusBruiser: Sentou is a physicist and the most intelligent of the Heisei Riders, while being as combat-capable as all the other Riders are.

to:

* GeniusBruiser: Sentou Sento is a physicist and the most intelligent of the Heisei Riders, while being as combat-capable as all the other Riders are.



* MeaningfulName: Sentou's name is composed of the first kanji for tank (戦車 Sensha) and the kanji for rabbit (兎 To).

to:

* MeaningfulName: Sentou's Sento's name is composed of the first kanji for tank (戦車 Sensha) and the kanji for rabbit (兎 To).



* SmugSuper: While still present untransformed, Sentou's more cocky and assured of himself while suited up.

to:

* SmugSuper: While still present untransformed, Sentou's Sento's more cocky and assured of himself while suited up.



[[folder:Ryuuga Banjou]]
!!Ryuuga Banjou

to:

[[folder:Ryuuga [[folder:Ryuga Banjou]]
!!Ryuuga !!Ryuga Banjou



A former prize fighter disqualified for cheating, later convicted of murdering a scientist investigating the Pandora Box. Like Sentou, he was experimented on, but managed to escape and now takes refuge with Sentou.

to:

A former prize fighter disqualified for cheating, later convicted of murdering a scientist investigating the Pandora Box. Like Sentou, he was experimented on, but managed to escape and now takes refuge with Sentou.Sento.



* EscapedFromTheLab: He escaped on his own from Faust's lab just before he was turned into a Smash. It was presumably the same lab Sentou was held before.

to:

* EscapedFromTheLab: He escaped on his own from Faust's lab just before he was turned into a Smash. It was presumably the same lab Sentou Sento was held before.



* YouHaveToBelieveMe: Says this word from to word to Sentou. The fact that he is convicted murderer and clearly not in good mental state doesn't help. On the other hand, he has a pretty good reason to be freaked out so it's no wonder he doesn't make much sense.

to:

* YouHaveToBelieveMe: Says this word from to word to Sentou.Sento. The fact that he is convicted murderer and clearly not in good mental state doesn't help. On the other hand, he has a pretty good reason to be freaked out so it's no wonder he doesn't make much sense.
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[[folder:Sentou Kiryu/Kamen Rider Build]]
!!Sentou Kiryu/Kamen Rider Build

to:

[[folder:Sentou [[folder:Sento Kiryu/Kamen Rider Build]]
!!Sentou !!Sento Kiryu/Kamen Rider Build



The main protagonist, Sentou is a theoretical physicist suffering from amnesia. He uses his abilities to transform into Kamen Rider Build, in order to fight the Smash and learn the truth about himself.

to:

The main protagonist, Sentou Sento is a theoretical physicist suffering from amnesia. He uses his abilities to transform into Kamen Rider Build, in order to fight the Smash and learn the truth about himself.
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Fixing some name spellings


[[folder:Sento Kiryu/Kamen Rider Build]]
!!Sento Kiryu/Kamen Rider Build

to:

[[folder:Sento [[folder:Sentou Kiryu/Kamen Rider Build]]
!!Sento !!Sentou Kiryu/Kamen Rider Build



The main protagonist, Sento is a theoretical physicist suffering from amnesia. He uses his abilities to transform into Kamen Rider Build, in order to fight the Smash and learn the truth about himself.

to:

The main protagonist, Sento Sentou is a theoretical physicist suffering from amnesia. He uses his abilities to transform into Kamen Rider Build, in order to fight the Smash and learn the truth about himself.



* BadassBookworm: Kiryu is proficient with firearms, can ride his bike at high speeds, and has decent hand-to-hand fighting skills even when he isn't Build.

to:

* BadassBookworm: Kiryu Sentou is proficient with firearms, can ride his bike at high speeds, and has decent hand-to-hand fighting skills even when he isn't Build.



* ContrastingSequelProtagonist: Kiryu is obviously more acerbic than Emu Hojo and his reason for fighting Faust and the Smash isn't so much about helping people as it is shaking down the MonsterOfTheWeek for information about his past. He also has a similarly compelling contrast with [[spoiler:Dan Kuroto]], TheSixthRanger of KamenRiderExAid as each one is an InsufferableGenius who created his own belt and weaponry while seeking validation for their accomplishments and talents. It's just that Kiryu is much more genuine and heroic in how he goes about it and interacts with others.

to:

* ContrastingSequelProtagonist: Kiryu Sentou is obviously more acerbic than Emu Hojo and his reason for fighting Faust and the Smash isn't so much about helping people as it is shaking down the MonsterOfTheWeek for information about his past. He also has a similarly compelling contrast with [[spoiler:Dan Kuroto]], TheSixthRanger of KamenRiderExAid as each one is an InsufferableGenius who created his own belt and weaponry while seeking validation for their accomplishments and talents. It's just that Kiryu Sentou is much more genuine and heroic in how he goes about it and interacts with others.



* GeniusBruiser: Sento is a physicist and the most intelligent of the Heisei Riders, while being as combat-capable as all the other Riders are.

to:

* GeniusBruiser: Sento Sentou is a physicist and the most intelligent of the Heisei Riders, while being as combat-capable as all the other Riders are.



* MeaningfulName: Sento's name is composed of the first kanji for tank (戦車 Sensha) and the kanji for rabbit (兎 To).

to:

* MeaningfulName: Sento's Sentou's name is composed of the first kanji for tank (戦車 Sensha) and the kanji for rabbit (兎 To).



* SmugSuper: While still present untransformed, Sento's more cocky and assured of himself while suited up.

to:

* SmugSuper: While still present untransformed, Sento's Sentou's more cocky and assured of himself while suited up.



[[folder:Ryuga Banjou]]
!!Ryuga Banjou

to:

[[folder:Ryuga [[folder:Ryuuga Banjou]]
!!Ryuga !!Ryuuga Banjou



A former prize fighter disqualified for cheating, later convicted of murdering a scientist investigating the Pandora Box. Like Sento, he was experimented on, but managed to escape and now takes refuge with Sento.

to:

A former prize fighter disqualified for cheating, later convicted of murdering a scientist investigating the Pandora Box. Like Sento, Sentou, he was experimented on, but managed to escape and now takes refuge with Sento.Sentou.



* EscapedFromTheLab: He escaped on his own from Faust's lab just before he was turned into a Smash. It was presumably the same lab Sento was held before.

to:

* EscapedFromTheLab: He escaped on his own from Faust's lab just before he was turned into a Smash. It was presumably the same lab Sento Sentou was held before.



* YouHaveToBelieveMe: Says this word from to word to Sento. The fact that he is convicted murderer and clearly not in good mental state doesn't help. On the other hand, he has a pretty good reason to be freaked out so it's no wonder he doesn't make much sense.

to:

* YouHaveToBelieveMe: Says this word from to word to Sento.Sentou. The fact that he is convicted murderer and clearly not in good mental state doesn't help. On the other hand, he has a pretty good reason to be freaked out so it's no wonder he doesn't make much sense.



[[folder:Soichi Isurugi]]
!!Soichi Isurugi

to:

[[folder:Soichi [[folder:Souichi Isurugi]]
!!Soichi !!Souichi Isurugi



* Expy: An expy of [[Series/KamenRiderWizard Shigeru Wajima]] as they both work on creating their respective TransformationTrinkets, but don't know its exact effects until Haruto/Sento uses it.

to:

* Expy: An expy of [[Series/KamenRiderWizard Shigeru Wajima]] as they both work on creating their respective TransformationTrinkets, but don't know its exact effects until Haruto/Sento Haruto/Sentou uses it.

Added: 421

Changed: 226

Removed: 88

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Face Doodling was moved to the Recap of #1.


* FaceDoodling: Courtesy of Misora in #1. Payed her back the first oppurtunity possible.



* InstantSedation: Being injected with sedative by prison guard gives him enough time to turn around and rise his hands in defense before going out like candle.



* YouHaveToBelieveMe: Says this word from to word to Sento. The fact that he is convicted murderer and clearly not in good mental state doesn't help. On the other hand, he has a pretty good reason to be freaked out so it's no wonder he doesn't make much sense.



* FaceDoodling: Sento doodled on her face as payback for the same in #1.

to:

* FaceDoodling: Sento doodled Expy: An expy of [[Series/KamenRiderWizard Shigeru Wajima]] as they both work on her face as payback for the same in #1.creating their respective TransformationTrinkets, but don't know its exact effects until Haruto/Sento uses it.



* TooDumbToLive: Not only does she meets a Smash by not paying attention and bumping into it, her first reaction is to try and snap a picture of it instead of, running.

to:

* TooDumbToLive: Not only does she meets a Smash by not paying attention and bumping into it, her first reaction is to try and snap a picture of it instead of, of running.
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!! nascita


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!! Others

Added: 228

Changed: 15

Removed: 92

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* AntiHero: His premiere appearance in KamenRiderExAid had him show up to take a sample of Emu's essence and then, in contrast to how new and old protagonists would briefly team-up during the finale of the current series, leaving the heroes to deal with the pandemic themselves when he couldn't get it.

to:

* AntiHero: Downplayed. His premiere appearance in KamenRiderExAid had him show up to take a sample of Emu's essence and then, in contrast to how new and old protagonists would briefly team-up during the finale of the current series, leaving the heroes to deal with the pandemic themselves when he couldn't get it.



* LaserGuidedAmnesia: He can't remember much about his past, save that he was experimented on by Nightrogue.

to:

* LaserGuidedAmnesia: He can't remember much about his past, save that he was experimented on by Nightrogue.Night Rogue.



* PhlebotinumRebel: Was one of the individuals who were captured and experimented by Faust before he managed to escape from his captors.
* ScienceHero: He's a physicist who happens to be a Kamen Rider. He even makes his own gear!



* ScienceHero: He's a physicist who happens to be a Kamen Rider. He even makes his own gear!
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* RollerbladeGood: The Tank half of Build's default form appropriately has tank treads that allowed speedier movement.
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* TooDumbToLive: Not only she meets a Smash by bumping into it (him?), her first reaction is to try and take a picture instead of, you know, running.

to:

* TooDumbToLive: Not only does she meets a Smash by not paying attention and bumping into it (him?), it, her first reaction is to try and take snap a picture of it instead of, you know, running.
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!!This is a partial character sheet for ''Series/KamenRiderBuild''. Visit [[Characters/KamenRiderBuild here]] for the main character index. Subjective trope and audience reactions should go on the [[YMMV/KamenRiderBuild YMMV page]].

Added: 511

Changed: 9

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* {{Expy}}: To [[Series/KamenRiderAgito Shouichi Tsugami]] due to being an amnesiac oddball who is a Kamen Rider. Is also one to [[Series/KamenRider Takeshi Hongo]] himself due to his genius level intellect.

to:

* {{Expy}}: To [[Series/KamenRiderAgito Shouichi Tsugami]] due to being an amnesiac oddball who is a Kamen Rider. Is He is also one to [[Series/KamenRider Takeshi Hongo]] himself due to his genius level intellect.intellect.
* FaceDoodling: Courtesy of Misora in #1. Payed her back the first oppurtunity possible.



* GeniusBruiser: Sentois a physicist and the most intelligent of the Heisei Riders, while being as combat-capable as all the other Riders are.

to:

* GeniusBruiser: Sentois Sento is a physicist and the most intelligent of the Heisei Riders, while being as combat-capable as all the other Riders are.



* TraumaInducedAmnesia: It safe to say that the cause of his amnesia is all the experimentation done on him by Faust's scientists.

to:

* TraumaInducedAmnesia: It is safe to say that the cause of his amnesia is all the experimentation done on him by Faust's scientists.


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* FaceDoodling: Sento doodled on her face as payback for the same in #1.


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* TooDumbToLive: Not only she meets a Smash by bumping into it (him?), her first reaction is to try and take a picture instead of, you know, running.
* IntrepidReporter: Tries to uncover the mystery around Smash and Kamen Rider. Her first reaction after seeing a Smash is to try and take a picture of it. Unfortunately, this crosses with TooDumbToLive.
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* MeaningfulName: Sento's name is composed of the first kanji for tank (戦車 Sensha) and the kanji for rabbit (兎 To).


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* CoolSword: The Drill Crusher, a drill-shaped sword that can turn into a gun.

Added: 82

Changed: 6

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A former prize fighter disqualified for cheating, convicted of murdering a scientist investigating the Pandora Box. Like Sento, he was experimented on, but managed to escape and now takes refuge with Sento.

to:

A former prize fighter disqualified for cheating, later convicted of murdering a scientist investigating the Pandora Box. Like Sento, he was experimented on, but managed to escape and now takes refuge with Sento.


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* ThrowingTheFight: This resulted in the ignoble end of his prize fighter career.

Added: 242

Changed: 7

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!!!Portrayed by Eiji Akaso (live)

to:

!!!Portrayed by Eiji Akaso (live)Akaso


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[[/folder]]
[[folder:Soichi Isurugi]]
!!Soichi Isurugi
!!!Portrayed by Yasuyuki Maekawa
[[/folder]]
[[folder:Misora Isurugi]]
!!Misora Isurugi
!!!Portrayed by Kaho Takada
[[/folder]]
[[folder:Sawa Takigawa]]
!!Sawa Takigawa
!!!Portrayed by Yukari Taki
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[[foldercontrol]]

[[folder:Sento Kiryu/Kamen Rider Build]]



[[/folder]]
[[folder:Ryuga Banjou]]



* PunchPunchPunchUhOh: Tries to fight a Smash with his bare fists. It didn't end well for him, but fortunately, Build was there to pick up the slack.

to:

* PunchPunchPunchUhOh: Tries to fight a Smash with his bare fists. It didn't end well for him, but fortunately, Build was there to pick up the slack.slack.
[[/folder]]
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!!Sento Kiryu/Kamen Rider Build
!!!Portrayed by Atsuhiro Inukai (live), Seiji Takaiwa (suit)
[[quoteright:204:http://static.tvtropes.org/pmwiki/pub/images/sento_2.png]]
\\
The main protagonist, Sento is a theoretical physicist suffering from amnesia. He uses his abilities to transform into Kamen Rider Build, in order to fight the Smash and learn the truth about himself.
----
* AmnesiacHero: He has no memories prior to his escape from the lab where he was experimented upon.
* AntiHero: His premiere appearance in KamenRiderExAid had him show up to take a sample of Emu's essence and then, in contrast to how new and old protagonists would briefly team-up during the finale of the current series, leaving the heroes to deal with the pandemic themselves when he couldn't get it.
* BadassBookworm: Kiryu is proficient with firearms, can ride his bike at high speeds, and has decent hand-to-hand fighting skills even when he isn't Build.
* CatchPhrase: Tends to say "Wait a minute" a lot.
* ContrastingSequelProtagonist: Kiryu is obviously more acerbic than Emu Hojo and his reason for fighting Faust and the Smash isn't so much about helping people as it is shaking down the MonsterOfTheWeek for information about his past. He also has a similarly compelling contrast with [[spoiler:Dan Kuroto]], TheSixthRanger of KamenRiderExAid as each one is an InsufferableGenius who created his own belt and weaponry while seeking validation for their accomplishments and talents. It's just that Kiryu is much more genuine and heroic in how he goes about it and interacts with others.
* {{Expy}}: To [[Series/KamenRiderAgito Shouichi Tsugami]] due to being an amnesiac oddball who is a Kamen Rider. Is also one to [[Series/KamenRider Takeshi Hongo]] himself due to his genius level intellect.
* FashionableAsymmetry: Not as apparent as his Rider form, but he wears two different colored sneakers - one red, the other blue.
* GeniusBruiser: Sentois a physicist and the most intelligent of the Heisei Riders, while being as combat-capable as all the other Riders are.
* IdiotHair: Often happens when he does something silly or gets ahead of himself.
* LaserGuidedAmnesia: He can't remember much about his past, save that he was experimented on by Nightrogue.
* TraumaInducedAmnesia: It safe to say that the cause of his amnesia is all the experimentation done on him by Faust's scientists.
* ScienceHero: He's a physicist who happens to be a Kamen Rider. He even makes his own gear!
!!!Tropes exclusive to him as Kamen Rider Build:
[[quoteright:192:http://static.tvtropes.org/pmwiki/pub/images/build.png]]
[[caption-width-right:251: Build [=RabbitTank=] form]]
* FashionableAsymmetry: Build's suit almost completely has the appearance of strips of color (or of black, for the undersuit) wrapping around him at a 45-degree angle.
* FinishingMove: All of his Best Matches each allow him to use a Voltech Finish depending on the form:
** [=RabbitTank=]: Build dives underground to send a white energy chart flying up to the surface with the dotted line securing the enemy before leaping back up, and delivering a kick whilst riding the chart's line.
* MismatchedEyes: Build's forms always have this, with them being different colors and shapes depending on what he uses for that side. Even the ones that are the same color seem to be different ''shades'' and are definitely different ''shapes''.
* PowerCopying: Build can steal his enemies' abilities and save them for use later.
* PrimaryColorChampion: His main form, [=RabbitTank=], is primarily red and blue.
* SmugSuper: While still present untransformed, Sento's more cocky and assured of himself while suited up.
* ThisIsADrill: Build's Drill Crusher, which he uses as a sword and gun.
!!Ryuga Banjou
!!!Portrayed by Eiji Akaso (live)
[[quoteright:204:http://static.tvtropes.org/pmwiki/pub/images/ryuga.png]]
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A former prize fighter disqualified for cheating, convicted of murdering a scientist investigating the Pandora Box. Like Sento, he was experimented on, but managed to escape and now takes refuge with Sento.
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* BadassAbnormal: Getting experimented on Faust modestly enhanced his physique, but these boosts pale in comparison to those possessed by full-fledged Smash.
* EscapedFromTheLab: He escaped on his own from Faust's lab just before he was turned into a Smash. It was presumably the same lab Sento was held before.
* PunchPunchPunchUhOh: Tries to fight a Smash with his bare fists. It didn't end well for him, but fortunately, Build was there to pick up the slack.

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