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[[quoteright:300:http://static.tvtropes.org/pmwiki/pub/images/dengeki_daisy_tt_9608.jpg]]

Ever since her older brother died, [[OrdinaryHighSchoolStudent Teru]] [[GenkiGirl Kurebayashi]] has been watched over by the mysterious [[MysteriousProtector Daisy]], whom her brother said would look after her in his absence. Though they communicate only through e-mail on her phone, his gentle, encouraging words have been a great source of comfort to her. Her life becomes slightly more complicated when, after accidentally breaking a window at her upscale school, she is made into a slave by the [[AlmightyJanitor school janitor]] Tasuku Kurosaki, a [[JerkAss rude]], [[DomesticAbuse sadistic]], [[{{Hentai}} minorly perverted]] {{lolicon}} who has no qualms about lounging around while she does all the work. He's totally unlike her beloved Daisy; but little does she know that the two are, in fact, the same person.

A shoujo manga by Kyousuke Toriumi (an alias, the author is a female) that was published from May 2007 to October 2013, with a total of 16 volumes released. The series is also licensed by [[Creator/VizMedia Viz]] and 14 volumes are out in America.
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!!Examples:
* AbsurdlyPowerfulStudentCouncil
* AlmightyJanitor: Kurosaki is a former software engineer and an accomplished hacker/cracker who is not above making death threats to those who intend to hurt Teru.
* [[spoiler:AlmostKiss: In chapter 20, Kurosaki tries to kiss Teru. They're interrupted by Riko.]]
* AlphaBitch: Initially, the student council president Rena.
* ArsonMurderAndJaywalking: [[CoolBigSis Onizuka]] commiserating with Teru about [[JerkWithAHeartOfGold Kurosaki]]: "He's lazy, unscrupulous, and perverted. Plus [[CannotTellAJoke he can't tell jokes at all.]]"
* TheAtoner: [[spoiler:Kurosaki, in creating Jack O' Frost and feeling guilt over his father being a spy, nearly commits suicide into thinking that would redeem his "sins." Souichirou stops him. He later feels that he cannot be forgiven for Souichirou's death, feeling responsible for it as Souichirou dedicated the remaining time of his life protecting Kurosaki until it wore him out.]]
* {{Badass}}: Kurosaki.
* BelligerentSexualTension: Kurosaki and Teru.
* BerserkButton: Do. Not. Mess. With. Teru. Kurosaki ''will'' get angry, and you won't like it.
* {{Bishounen}}: According to Riko, [[spoiler:Kurosaki]] was one in the past.
* [[BitchInSheepsClothing Bitch In Sheep's Clothing]]: [[spoiler:Mori-sensei.]]
* BlandNameProduct: Teru and Kurosaki buy candy at a 7-10.
* TheCameo: Was that [[Manga/BeastMaster Leo and Yuiko]] we saw in chapter two?
* CannotSpitItOut
* CoolBigSis: Riko towards Teru and Kurosaki. She could have become Teru's literal CoolBigSis because she was engaged to Teru's older brother, who untimely passed away prior to the story's beginning.
* ClearTheirName: [[spoiler: Kurosaki's reason for becoming a hacker was to prove to himself (and everyone else) that his father was not really a traitor.]]
* ClothingDamage: Played for humor.
* CutenessProximity: Kurosaki has a hilarious one when he unconsciously brings a dog home during the rain in Chapter 28.
* DeathByOriginStory: Played straight--Teru's older brother's death and before-death deal with "DAISY."
* DefeatByModesty: [[spoiler: Kurosaki rips off the shirt of Chiharu Mori to prevent her from following him after he steals her laptop to save Teru. Mori's left stranded in the washroom, completely topless.]]
* DomesticAbuse: PlayedForLaughs.
* DoubleEntendre:
-->'''Kurosaki:''' ([''about Teru'']) She just exhausted herself and then passed out. It's happened tons of times before, and no matter what you do to her, she won't wake up...
-->'''Riko:''' Heh, "no matter what you do, she won't wake up"... What exactly did you do? [-Up until now.-]
-->'''Kurosaki:''' Huh? No, I mean... Could you stop emitting that killing aura? I'm not guilty (of very much)...
* DrivenToSuicide: [[spoiler:Kurosaki tried to commit suicide in the past. Luckily, Souichirou stopped him.]]
* DudeShesLikeInAComa
* EatingTheEyeCandy: Teru steals glances at Kurosaki when he is walking around shirtless after a shower. Of course, when he tells her that if she wants to look then just ''look'' she denies it.
* [[EveryoneCallsHimBarkeep Everyone Calls Him Master]]: Masuda, the manager at the restaurant Kurosaki normally attends and one of Kurosaki's confidants.
* EveryoneCanSeeIt
* EvilCostumeSwitch: Mori-sensei.
* FerrisWheelDateMoment: Kurosaki and Teru attempt to have one in Chapter 33 but [[spoiler: that goes horribly wrong.]] Then in Chapter 68 [[spoiler:they finally have a real date on the Ferris Wheel and Kurosaki confesses his love for Teru]]
* FlowerMotifs: Well, it is called Dengeki ''Daisy''. The author often puts blue daisies in the story.
* ForcefulKiss: [[spoiler:Akira steals Teru's first kiss in Chapter 32.]]
* HeadbuttThermometer: Kurosaki loves to fluster Teru this way.
* IThoughtEveryoneCouldDoThat: Teru asks a (drunk) [[PlayfulHacker Kurosaki]] to solve a code that Kiyoshi gave her. After he solves it in five seconds, his response clearly indicates that he wasn't aware that this was (at least somewhat) extraordinary.
* IWantMyBelovedToBeHappy
* InnocentInnuendo: Teru tells Riko about her night together with Kurosaki and she hilariously misunderstands.
* IllBoy: [[spoiler:Souichirou, who had stomach cancer for half a year prior to his death.]]
* IndirectKiss: The last page of chapter 3 with a soda can, but it is not like anyone made a big deal out of it.
* InterruptedSuicide: [[spoiler:Kurosaki attempted suicide in the past but was stopped in Soichirou. In Chapter 35, Rena mistakenly thinks Teru is trying to commit suicide (following Kurosaki's disappearance) after the former spots the latter on the school's rooftop and "stops" her.]]
* JerkAss[=/=]JerkWithAHeartOfGold:
** [[SarcasmMode No really. Guess who.]]
** Souichirou, at least in the flashbacks where it's revealed that he's [[spoiler:the one who made Kurosaki Daisy in the first place.]] [[BigBrotherInstinct He was nicer to Teru, though.]]
* LeaningOnTheFourthWall: The manga often [[LampshadeHanging lampshades]] things this way. A memorable exchange from chapter 37:
--> '''Teru''': Suddenly, there was a code related to foreign countries...[[TakeThatMe it was like reading a bad manga!]]\\
'''Kiyoshi''': At least this isn't a shojo manga.
* LikeBrotherAndSister: Teru's initial view of her relationship with Daisy.
* {{Lolicon}}: Kurosaki is jokingly referred to several times as such by several of his acquaintances. However, he can only really be defined as one under the least pedantic definition of the term.
* LookingForLoveInAllTheWrongPlaces: Rena.
* LovesMyAlterEgo: Inverted; To Teru, Kurosaki is both the school janitor and Daisy, the mysterious person who has looked after her ever since her brother died. Teru is in love with Kurosaki and Kurosaki is in love with her, but he doesn't want her to know that because he feels that he shouldn't love her while keeping that fact that he's Daisy a secret.
* MacGuffin: The virus code, "Jack O' Frost."
* MotorMouth: Teru. [[spoiler:Especially when she gets kidnapped by Arai-sensei, much to his annoyance.]]
* MysteriousProtector: Daisy.
* ObfuscatingStupidity: [[spoiler:The school nurse Mori-sensei.]]
** Also applies to Teru. She acts like an idiot, gets perfect scores on tests and can think pretty quickly when under pressure.
* {{Ojou}}: Rena acts like one, anyway.
* PantyShot: Played straight and played with when a knife intended for Teru's person instead only gets her skirt.
* PlayfulHacker: Kurosaki, to some extent.
* PluckyGirl: Teru.
* TheProfessor: Professor Midorikawa, [[spoiler: responsible for 'M's Testament']] Not part of the current team, but plays the professor role in several character's backstories.
* RapidFireTyping: Kurosaki.
* RedemptionDemotion: Takeda undergoes a n oddly played-with version of this trope. While he retains his competence in serious scenes, and even gets ''more'' competent, outside of those few situations, he's pretty much become the casts' ButtMonkey.
* ReplacementGoldfish: Teru gets really interested in a hooded boy she meets [[RuleOfThree three times]] because of his resemblance to her late older brother Souichirou. [[spoiler:Turns out he's not such a good guy like she thought when he steals a kiss from her.]]
* SacredFirstKiss: [[spoiler:Teru's "first kiss" was stolen by Akira.]]
** [[spoiler:An interesting subversion in that Teru was given CPR by Kurosaki much earlier. Whether or not that counts as a kiss is debatable.]]
* ShipperOnDeck: Teru's brother shipped her with Kurosaki, which is saying something considering this is [[BigBrotherInstinct Souichirou]]. In a flashback in Chapter 38, Riko suggests for Kurosaki to ask out Souichirou's little sister, who Kurosaki has never met yet, but Kurosaki is against it, as he claims he's not a {{lolicon}} and that the girl is probably an A-cup.
* SickeninglySweethearts: Kako and Ken.
* SleepCute
* SmokingIsCool
* SpeechBubbleCensoring: A good way to avoid a panty shot.
* SweetTooth: Takeda admits to having one in chapter 12.
* TeacherStudentRomance: Arai-sensei and Rena. In spite of what happened, they still care about each other.
* ThreeAmigos: Souichirou, Kurosaki, and Riko had elements of this in the past.
* {{Tsundere}}: Kurosaki, even more so than Teru herself. Also, Rena. [[spoiler:Souichirou showed signs of it as well in the past, acting strict towards Kurosaki, only to confess his worries over him later to Riko, and that his tsun-tsun treatment of Kurosaki was a calculated move for the younger man's own good.]]
** Fortunately, Teru is aware of Kurosaki's Tsundere tendencies, and she seems to deeply enjoy using it against him. Most prominently in chapter 41, which doubled as a [[CrowningMomentOfFunny Crowning Moment Of Funny]] and a [[CrowningMomentOfHeartwarming Crowning Moment Of Heartwarming]], all at the same time.
* TwoPersonLoveTriangle
* WouldHitAGirl: Kurosaki constantly threatens ''anyone'' who hurts Teru, girl or boy. He also makes true to his word by [[spoiler: choking Mori and stealing her clothes after she stopped the Ferris wheel Teru and Akira]].
** [[spoiler:Kiyoshi hits Teru to snap her out of her depression over Kurosaki disappearing.]]
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