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Keita has two step-sisters who love him in a lustful way and have no problems expressing it, they even are in competition about that. Much to the laughs of his friends, he endures it but when one day they come to his school to give him his lunch, he gets annoyed and explodes on them, then they confess their feelings for him in front of everyone and leave. Feeling sorry he chases after them and says that he'll study hard in order to get in the same high school as them.

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Other Facts

Original PublisherKodansha
PublishedDec 11, 2005 to ?
SerializationBessatsu Young Magazine
Last UpdatedOctober 1, 2018
LanguagesEnglish, Japanese
Other namesKissxsis, キス×シス, Kiss×Sis

Chapters

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Chapter 125: Surprise AttackOctober 1, 2018
Chapter 124: Mysterious PlayingAugust 23, 2018
Chapter 123: Accumulating FeelingsAugust 5, 2018
Chapter 122: I Can't Turn Back To NormalJuly 23, 2018
Chapter 121: Finally Caught HimJuly 7, 2018
Chapter 120: A Beastly PersonalityMay 19, 2018
Chapter 119: Sleepless NightsMarch 20, 2018
Chapter 118: The Other Side Of HealingFebruary 27, 2018
Chapter 117: NightmareDecember 24, 2017
Chapter 116: Rock YouNovember 20, 2017
Chapter 115: Chance of a LifetimeOctober 30, 2017
Chapter 114: In a Single NightOctober 6, 2017
Chapter 113: MeaninglessAugust 19, 2017
Chapter 112: A Great Day for My DepartureJuly 11, 2017
Chapter 111: To a Place Far AwayJune 17, 2017
Chapter 110: JuicyMay 28, 2017
Chapter 109: This Is How Western Bathroom IsMay 28, 2017
Chapter 108: When in HakodateMay 28, 2017
Chapter 107: NothingMay 28, 2017
Chapter 106: ImpossibleMay 28, 2017
Chapter 105: Sorry, MotherMay 28, 2017
Chapter 104: TrialMay 28, 2017
Chapter 103: RememberingMay 28, 2017
Chapter 102: A Growing ConcernMay 28, 2017
Chapter 101: I'm Finally a First-YearMay 28, 2017
Chapter 100: Kisses in the 100thMay 28, 2017
Chapter 99: Sister to the Rescue!May 28, 2017
Chapter 98: Licking Cocoa BoobsAugust 30, 2016
Chapter 97: Quick ChocolateAugust 30, 2016
Chapter 96: I Might Be a WorrywartAugust 30, 2016
Chapter 95: Nueva CarpetaAugust 30, 2016
Chapter 94: Sneaking SuspicionsAugust 30, 2016
Chapter 93: Easily ManagedAugust 30, 2016
Chapter 92: Suddenly, It's a Bath?August 30, 2016
Chapter 91: Repent!August 30, 2016
Chapter 90: The Distressed LoverAugust 30, 2016
Chapter 89: The Really Stupid CoupleAugust 30, 2016
Chapter 88: KYAA!!!?August 30, 2016
Chapter 87: Rice Cakes Over FlowersAugust 30, 2016
Chapter 86: LOVE HOTEL HERE WE COME...!?August 30, 2016
Chapter 85: Early CelebrationAugust 30, 2016
Chapter 84: Trances Of Leftover SmellsAugust 30, 2016
Chapter 83: Letting It Out at The Wrong Time?August 30, 2016
Chapter 82: Honey-Trap TeacherAugust 30, 2016
Chapter 81: High Tension in TaiwanAugust 30, 2016
Chapter 80: MILDLY COUDLY WITH CHANCE OF RAINAugust 30, 2016
Chapter 79: Memories So Embarrassing They Make You Want to CryAugust 30, 2016
Chapter 78: A Love of Many Ups and DownsAugust 30, 2016
Chapter 77: An Astounding Birthday PartyAugust 30, 2016
Chapter 76: Hallelujah! Tapioca Night!!August 30, 2016
Chapter 75: Birthday GamesAugust 30, 2016
Chapter 74: A Couple in a StallAugust 30, 2016
Chapter 73: We Know Who Will Be ComingAugust 30, 2016
Chapter 72: A Nostalgic MemoryAugust 30, 2016
Chapter 71: Secret AffectionAugust 30, 2016
Chapter 70: GrowingAugust 30, 2016
Chapter 69: Can’t Stay PureAugust 30, 2016
Chapter 68: Can't Leave Things Vague!!August 30, 2016
Chapter 67: A Nervous Time After SchoolAugust 30, 2016
Chapter 66: Mumu!? An Unknown Pleasure!!August 30, 2016
Chapter 65: Mikuni's Brutal Track and Field DayAugust 30, 2016
Chapter 64: A Problem He Can't IgnoreAugust 30, 2016
Chapter 63: Hungry for LoveAugust 30, 2016
Chapter 62: Intimate RelationshipAugust 30, 2016
Chapter 61: Idle TimeAugust 30, 2016
Chapter 60: Not As Naive As You'd Think!August 30, 2016
Chapter 59: The Best PerformanceAugust 30, 2016
Chapter 58: The Forbidden Secret TrainingAugust 30, 2016
Chapter 57: That Crushing FeelingAugust 30, 2016
Chapter 56: Don't Worry!!August 30, 2016
Chapter 55: It... It's a Misuderstanding!!August 30, 2016
Chapter 54: Go for It!August 30, 2016
Chapter 53: Kiryuu Yuuzuki's MiscalculationAugust 30, 2016
Chapter 52: Horny IceAugust 30, 2016
Chapter 51: Beyond Consent!?August 30, 2016
Chapter 50: Since We're All Girls, No Need to Hold BackAugust 30, 2016
Chapter 49: Big Sis FailedAugust 30, 2016
Chapter 48: A Controlled Little BrotherAugust 30, 2016
Chapter 47: What Happened in the Middle of the NightAugust 30, 2016
Chapter 46: A Bad SituationAugust 30, 2016
Chapter 45: The Teacher's JobAugust 30, 2016
Chapter 44: A Beautiful EveningAugust 30, 2016
Chapter 43: An Embarassing SpotAugust 30, 2016
Chapter 42: An Extremely Strange Seaside StoryAugust 30, 2016
Chapter 41: A Good Girl's Summer HolidayAugust 30, 2016
Chapter 40: Being Blamed from Start to End...August 30, 2016
Chapter 39: Explosive EmotionAugust 30, 2016
Chapter 38: After Being Refreshed...August 30, 2016
Chapter 37: An Older Sister You Should Learn FromAugust 30, 2016
Chapter 36: A Cold Home VisitAugust 30, 2016
Chapter 35: A Magnificent Way to HideAugust 30, 2016
Chapter 34: An Interview Without HindranceAugust 30, 2016
Chapter 33: A Terrible EventAugust 30, 2016
Chapter 32: Rewards Taste Like HoneyAugust 30, 2016
Chapter 31: Amazing ContactAugust 30, 2016
Chapter 30: An Unpredictable RelationshipAugust 30, 2016
Chapter 29: Adorable SistersAugust 30, 2016
Chapter 28: A Complicated Holiday SeasonAugust 30, 2016
Chapter 27: An Unfamiliar LookAugust 30, 2016
Chapter 26: After a Midnight BathAugust 30, 2016
Chapter 25: Ocha ha Nigoshi Mash?August 30, 2016
Chapter 24: Inu ga Nishi MukiyaAugust 30, 2016
Chapter 23: A Cruel Younger BrotherAugust 30, 2016
Chapter 22: Carefree Entrance CeremonyAugust 30, 2016
Chapter 21: A Suprize Present!August 30, 2016
Chapter 20: Within the gym storage room...August 30, 2016
Chapter 19: Oh, a MementoAugust 30, 2016
Chapter 18: Iya ni Osoku Nai?August 30, 2016
Chapter 17: An Unrestrained NightAugust 30, 2016
Chapter 16: The Lust of 16 Year Old GirlsAugust 30, 2016
Chapter 15: The Angst of a 15 Year Old BoyAugust 30, 2016
Chapter 14: The Day of the Test!!August 30, 2016
Chapter 13: Is There a Meaning to This?August 30, 2016
Chapter 12b: [Special]August 30, 2016
Chapter 12a: 1 , 2 , 3P!August 30, 2016
Chapter 11: A Good Feeling ToolAugust 30, 2016
Chapter 10: The Reason to Feel Full of ConfidenceAugust 30, 2016
Chapter 9: Between Confusion and FrustrationAugust 30, 2016
Chapter 8: Full of MemoriesAugust 30, 2016
Chapter 7: Piss OffAugust 30, 2016
Chapter 6: The Good-for-Nothing GuyAugust 30, 2016
Chapter 5: The Guy Who Could PassAugust 30, 2016
Chapter 4: Qualifications for Being LoversAugust 30, 2016
Chapter 3: Is This What You'd Call a Love Triangle?August 30, 2016
Chapter 2: Their StrategyAugust 30, 2016
Chapter 1: Under One RoofAugust 30, 2016
Chapter 0: Let's Start from 0August 30, 2016