[[quoteright:337:http://static.tvtropes.org/pmwiki/pub/images/Mars_resise_7615.jpg]]
[[caption-width-right:337:Mars by Kira Aso]]
''Mars'' is a fifteen-volume HighSchool romance manga series written and illustrated by Fuyumi Soryo and serialized from 1996 to 2000.

Kira Aso is a ShrinkingViolet student in the art club with a reputation for [[DoesNotLikeMen disliking men]], when she [[EmotionlessGirl shows any emotion]] at all. Rei Kashino is her polar opposite, a {{Delinquent}} who [[BadassBiker races motorcycles]] instead of worrying about his grades and has a reputation for [[ChivalrousPervert being a shameless playboy]]. They meet one day in a park when Rei is searching for a clinic and asks Kira for directions. Kira draws him a map on a page from her sketchbook, not knowing that there's an important (and beautiful) sketch on the other side of the sheet.

Rei becomes interested in mysterious Kira and begins to half-heartedly pursue her. She resists at first, but after he comes to her aid against bullies and shows her he's not the JerkJock playboy she stereotyped him as, they tentatively become a MoeCouplet. Not all is well in budding-teen-romance-land, however, for both Rei and Kira have skeletons in their closets. Rei is estranged from his only surviving family member and suffers from post-traumatic stress disorder over his twin brother Sei's suicide; Kira has very good reasons for her pathological shyness and dislike of men, and her family is fragile at best. They have to work out their respective problems as well as face the threat of one Masao Kirishima, a sociopath who begins to stalk both of them. The road to HappilyEverAfter is fraught with dangers on all sides, the likes of which normal Japanese teenagers only ever read about in [[ThisIsReality manga]].

This series is notable in that it avoids a number of frustrating romance manga cliches, excels at dramatic suspense, and depicts mental illness and psychological trauma in a nuanced and realistic manner. It also happens to feature really great art and a high-quality English translation.

In 2004, Manga/{{Mars}} was adapted into a [[Series/{{Mars}} Taiwanese live-action drama]].

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!!Provides examples of:
* AlphaBitch: Harumi is a particularly violent variation of this at first.
* AngstySurvivingTwin: Rei, after Sei's death.
* ArtShift: When the scenery becomes the focus of a page or panel, it's in a style that suggests silver-process photography with the contrast blown out, rather than conventional manga-style background.
* {{Backstory}}: A 'lot' of it, and of the angsty variety, revealed in flashbacks.
* BigFancyHouse: Rei's father's house is like this. Rei, on the other hand, lives in a crappy apartment in a bad side of town.
* BigScrewedUpFamily: The Kashino family. Provides fodder for most of the {{Reveal}}s, {{Backstory}}, and CharacterDevelopment.
** The Aso family is much, much smaller but about as screwed up.
* ClingyJealousGirl: Harumi, Rei's would-be girlfriend, who even ''threatens'' Kira at first. [[spoiler: [[MyGodWhatHaveIDone She gets better]], and after working through her issues, ends up as Kira's best friend.]]
** Rei's ''other'' first girlfriend, who claims she would rather die than be without him and then attempts to prove it.
* DepravedBisexual: Masao Kirishima is an effeminate [[AxCrazy sociopath]] who threatens Kira and Rei throughout the series.
* DoesNotLikeMen: When the story begins, Kira is shy around most people, but avoids even speaking to her male classmates.
* DrivenToSuicide: Shiori plays with this; it is part cry for attention, part atonement. Also, Rei saves her before she's killed.
** Sei also commits suicide for a complex set of reasons.
* EarnYourHappyEnding: Escalated to an absurd level in the final volume, when [[spoiler:Masao knifes Rei in the gut on the way to the party celebrating his marriage to Kira. He survives with little or no permanent injury, they get married, and everyone works out their emotional issues.]]
* EasilyForgiven: At the end of the first volume, Harumi takes her bullying of Kira to a ridiculous level by [[CliffHanger preparing]] to smash Kira's fingers with a small barbell. Even though she doesn't follow through, it's a little jarring when they become friends with no mention of this incident.
** Kira's mother takes back the stepfather who [[spoiler: ''raped her daughter''.]]
*** Which could be TruthInTelevision - it's not unheard of for this to happen in real life, depressing as that is.
* FaceFramedInShadow: Kira's stepfather gets this treatment often.
* FamilyVersusCareer: Kyoko the biker ends her racing career after a minor injury in the endurance.
* GetOutOfJailFreeCard: Even after Masao [[spoiler:knifes Rei, nearly killing him]], the authorities can't put him behind bars because he's legally a minor.
* HeroicSacrifice: To support Kira, Rei swallows his pride, gives up racing motorcycles, and begs his father for help.
* IneffectualSympatheticVillain: Not really a villain, but Rei's father Takayuki is initially set up as an antagonist until it is eventually revealed that he's a {{Woobie}} of the first order.
* InformedAbility: Mostly averted. Kira's art looks beautiful, but her greatest painting as it appears on the cover of the last volume is done in conventional alcohol-based marker manga style, rather than oils as stated in the text.
** Even though we are repeatedly told that Kyoko's skills are on par with male racers, her performance doesn't really prove that.
** OvershadowedByAwesome: Its not that Kyoko skills are any less then any of the unnamed male racers as much as Kyoko's skills can not match Rei's skills. The settings on the bike were set for Rei preference after all.
* IronicEcho: "Apples are for eating, not for throwing."
* IWantGrandkids: Rei's father goes off on a brief tangent and says this, much to Rei's dismay.
-->'''Mr. Kashino:''' I don't care how many you have, just start making babies!
* MamaBear: Rei and Sei's mother Shoko thinks she's this, but she's actually just AxCrazy and more of a threat to her children than anyone else.
* ManipulativeBastard: Masao. Manipulates his way out of psychiatric care and close enough to Rei [[spoiler:to put a knife between his ribs]]. The final scene in which he [[LaserGuidedAmnesia claims not to remember Rei]] is chilling.
* ModestyBedsheet: Partially averted- the female has her back to the reader to provide ''just'' enough cover while the male is covered from the hips down.
* NiceGuy: Tetsuya
* [[spoiler: RapeAsBackstory: Why Kira DoesNotLikeMen.]]
* StalkerWithACrush: Maseo stalks both Kira and Rei--Rei because he saved him in the past and Kira because of her personality. Of course, it doesn't stop him from trying to kill them both.
* SuicideIsPainless: Sei throws himself off the roof with a wan smile on his face. Rei is left looking at a corpse that looks just like him.
* ThereAreNoTherapists: Averted, but it doesn't do anyone much good.
* TraumaCongaLine: The only characters who seem to be exempt are [[BetaCouple Harumi and Tatsuya]].
* TraumaInducedAmnesia: Rei suffers this as well as extreme violent behavior after Sei's suicide. His psychiatrist and father [[spoiler:use it to rewrite his childhood as having been less horrible]].
* UpperClassTwit : Discussed, thought about, and averted. Takayuki wants Rei to work hard to be worthy of inheriting the family business, and Rei has a hard time schmoozing with successful businessmen.
** ObfuscatingStupidity: When said successful individuals mock Rei at a gathering, he turns their insults back on them by declaring that, while he may be an idiot delinquent, at least he's not a sneering asshole.
* WellDoneSonGuy: Rei.
* WhyCouldntYouBeDifferent: Why does Takayuki disapprove of Rei racing motorcycles? Because [[spoiler:Takayuki's brother Akihiko, incidentally the biological father of Rei and Sei, died in a particularly hideous car racing accident]].
* WouldHitAGirl: Much to Hirumi's surprise, Rei. He slaps Shiori for accosting Kira.
* YoungerThanTheyLook: Rei's neighbor/landlord looks a [[ScaryBlackMan scary man]] in his late twenties or thirties but is only nineteen, and really a very nice man.

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