History VisualNovel / ShallWeDateNinjaAssassin

One day, the well-respected police constable Takao and his wife were accused of a crime and murdered. They were the parents of a teenage girl named Yui, the PlayerCharacter of the game, who survived thanks to her mother's quick intervention; filled with sadness and anger, Yui made up her mind to avenge the deaths of her parents, and then she remembered there were assassins known as “the vigilantes.” Soon after that, she tried to get in touch with them, but she didn’t get any replies.

As she was about to give up, one of the vigilantes appeared in front of her and took to a tea house. After listening to her story, he suggested her join them to take vengeance on the people who murdered her parents. After a moment’s thought, she decided to take up his suggestion.

* FacelessProtagonist: Averted with Yui, whose face can be clearly seen in several CG's.

* YouGottaHaveBlueHair: Aoi has it, but the other Vigilantes have pretty spiffy hair colors too.

* DefrostingIceKing: Soji becomes this in his own route. His initial behavior towards Yui is apathetic at best, but after she expresses gratitude for him being honest with her, he starts acting more openly compassionate and even {{Adorkable}} at times.

''Shall We Date?: Ninja Assassin'' is an installment of the VisualNovel/ShallWeDate otome dating sim series, developed by Solware and released in 2014. It was later given a SpinOff, ''VisualNovel/ShallWeDateNinjaShadow''

* YouGottaHaveBlueHair: Aoi has it, but the other Vigilantes have pretty spiffy hair colors too.

''Shall We Date: Ninja Assassin'' is an installment of the VisualNovel/ShallWeDate otome dating sim series, developed by Solware and released in 2014. It was later given a SpinOff, ''VisualNovel/ShallWeDateNinjaShadow''

* Tsundere: male example Natsume

* Tsundere: male example Natsume

** [[spoiler: Willem was the son of a rich Dutch merchant family, who were murdered by their business rivals. After [[FallenPrincess being homeless and destitute]], he was tricked into joining an assassin group named ''Red Roses'' and eventually became a CorruptCorporateExecutive.]]

* FairCop: Souji and Ichika are police constables in their day job.

* ReplacementGoldfish: In [[spoiler:Aoi]]'s route, it's revealed that he had a younger sister, [[spoiler: but he had to cut ties with her when he and Souji left their ninja village.]] He tells Yui about her and she wonders if thinks of her as a replacement, but at a certain relationship level he will say that he loves her for herself.

* TheseHandsHaveKilled: Yui tends to have this reaction [[spoiler: when a route gives her the chance to kill Tori by herself]].

** Yui speculates that this is the real reason why her father was framed: as a constable, he found out about any prospect illegal business done by Lord Tori, and he killed the Takaos to save his own ass.

** In Aoi's route, a person he knows gets killed off for this reason. [[spoiler: His friend Chidori was the mistress of Tori's henchman and found out about his illegal links; she tried to blackmail him into staying with her with that knowledge, but he shot her dead.]]

* LocalHangout: The ''Kyoukatei'' tea house, handled by Kinshiro in addition to his magistrate job. But it's also the place where those who need the Vigilantes can contact them if needed.

One day, the well-respected Constable Takao and his wife were accused of a crime and murdered. They were the parents of a teenage girl named Yui, the PlayerCharacter of the game; filled with sadness and anger, Yui made up her mind to avenge the deaths of her parents, and then she remembered there were assassins known as “the vigilantes.” Soon after that, she tried to get in touch with them, but she didn’t get any replies.

* ChildhoodFriendRomance: It turns out that Ichika, the junior member of the Edo Vigilantes, is friends with Yui. This will happen if he's the chosen boyfriend.

One day, Constable Takao and his wife were falsely accused of a crime and murdered. They were the parents of a teenage girl named Yui, the PlayerCharacter of the game. Filled with sadness and anger, Yui made up her mind to avenge the deaths of her parents, and then she remembered there were assassins known as “the vigilantes.” Soon after that, she tried to get in touch with them, but she didn’t get any replies.

* BigBad: Lord Tori, the man who ordered the deaths of the Takao family for supposedly being involved in illegal activities. Yui survived because her mother managed to hide her under the floor board, and now she wants revenge.

* HeKnowsTooMuch: Yui speculates that this is the real reason why her father was framed: as a constable, he found out about any prospect illegal business done by Lord Tori, and he killed the Takaos to save his own ass.

** Wakasa [[spoiler: is the SoleSurvivor of a whole ninja village, and he saved his own life by killing almost everyone in the group that raided it. That's the original of his BloodKnight side that arises in battle, and he's deeply troubled over it.]]

One day, the parents of a girl named Yui Takao (the PlayerCharacter) were falsely accused of a crime and murdered. Filled with sadness and anger, she made up her mind to avenge the deaths of her parents, and then she remembered there were assassins known as “the vigilantes.” Soon after that, she tried to get in touch with them, but she didn’t get any replies.

* FrameUp: A fatal one targeted Yui's parents, and she survived because her mother managed to hide her under the floor board.

* FrameUp: A fatal one targeted Yui's parents, and she .

''Alongside the vigilante ninjas, she started your pursuit of justice.''

* BigBad: The CorruptCorporateExecutive Willem, a Dutch tycoon involved in ''many'' legal and illegal activities. [[spoiler: And is [[DatingCatwoman a potential boyfriend]] for Yui.]]

* FairCop: Souji and Ichika are police constables in his day job.
* FrameUp: A fatal one targeted Yui's parents.