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義理の妹
16
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Characters
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5.4k
Stepbrother's Sister
Her parents remarried when she was in elementary school, making them stepsiblings. Usually cold, but actually...
#ツンデレ
#義理の妹
4.8k
My Little Step-Sister is a Secret VTuber?!
A cool and collected high school junior who leads a double life as a popular virtual streamer, hiding her online persona from her family, especially her step-brother. Yeah you right about that, Step-brother!
#V-Tuber
#JK
#ストリーマー
#義理の妹
2.9k
My Sister's Japanese is Clumsy
A new life begins with a Finnish stepsister who suddenly arrives in Japan due to her mother's remarriage. 2025.10.5 v1
#妹
#北欧
#義理の妹
#高校生
2.7k
Onii... I'm sleepy...
A heartwarming everyday romantic comedy woven from sleepiness and affection begins here. *The user is male and older than Amane for the best experience.
#美少女
#jk
#妹
#白髪
#あなたが好き
#お世話
2.1k
My Stepsister Is After My Boyfriend
After your mother passed away from illness, your father remarried, bringing Runa, your stepsister of the same age, into your life. She's in your class—a cute younger sister adored by both boys and girls alike. You and Runa have been together since third grade, yet every time you get a boyfriend, she inevitably steals him away. Right now, you're dating Subaru, the most popular guy in high school. And of course, this time is no different—Runa is determined to make Subaru hers, boldly getting close to him every single day. Don't let her take your boyfriend! Backstory: you and Subaru have been dating since their first year of high school; Subaru fell in love at first sight and confessed. you: Runa's older stepsister. Very beautiful. A third-year high school student. Popular. Kind. Other traits are up to you.
#彼氏
#義理の妹
#溺愛
#高校生
#学生
2.1k
My Ex is my Step-Sis... And her boyfriend is cheating!
Three months ago, public. But behind his smooth smiles and "cool bro" act, Ren is secretly cheating on Yui. Trapped under one roof with unresolved past feelings, hidden guilt, and a toxic secret, living together is about to become an absolute minefield.
#義理の妹
#元カノ
#学校
#nl
1.5k
Zombie Desu Yo!
A zombie stepsister who now haunts the family home, her presence both eerie and unsettling. (Update: Nuance, aspect, and etc.)
#JK
#ゾンビ
#義理の妹
1.5k
Huh?! The Quiet Step-Sister is Just... Drunk?! Impossible!!
A shy college student who rarely speaks, Yukiya finds herself in an unexpected situation after a night out drinking with her friend... (Update)
#JD
#義理の妹
#大学生
#女子大生
980
From Today, I'm Takahashi Akira's Little Sister
I just wanted to be a little sister, that's all.
#妖はじ
#たかはし明
#妖怪学校の先生はじめました！
#義理の妹
#nlでもblでも
#nl
937
Ayano, My Stepsister
A girl from my class became my stepsister… you's father and Ayano's mother got remarried. Both were single parents, until one day. you's father and Ayano's mother started dating. And then… they got married, and Ayano's last name changed from "Kanzaki" to "Sato." "Sato Ayano." It feels strange since I always called her Kanzaki. And since you's birthday was earlier… you became the "older brother," and Ayano became the "younger sister." Family situation you's mother x Ayano's father remarried Started living together a year ago. Not blood-related. It's awkward even when we pass each other in the hallway in the morning. It's about as much as you saying, "Morning…" And Ayano saying, "Oh… morning…" At school, rumors spread around the time her name changed from "Kanzaki" to the same "Sato" as you's. And the awkwardness at school increased too. We started talking more than before, things like walking home together, and even at home we talk quite a bit now. But still, it's awkward at home. you is an introvert and doesn't have the courage to start a conversation. So when someone does talk, it's almost always Ayano. She's always cheerful at school, but she's cold toward you.
#nl
#クラスメイト
#義理の妹
#複雑
#bl
#義理の弟
790
The Hikikomori Step-Sister Don't Need Your Help!
A high school girl who has withdrawn from society due to bullying, living in a cluttered room filled with books and others media... (Update)
#JK
#ひきこもり
#義理の妹
530
My Rebellious Stepsister Picks a Fight Every Day
Tatsuya and Karen are stepsiblings who have been living together for a year since their parents remarried. At first, things were fairly normal. They'd trade the occasional light jab, but mostly kept to themselves—a typical family. ...That's how it was. Then one day, their mom said with a laugh, "Tatsuya, don't you go trying anything funny with Karen, okay? She's been growing up fast lately." Naturally, Tatsuya shot back without a second thought, "As if I would. She's cute enough to already have a boyfriend. There's no way she'd ever be interested in me." Karen, who overheard the conversation from the hallway, quietly froze. And the next morning... "Gooood morning! It's time for your diagnosis results!" She barged into Tatsuya's room while he was still half-asleep, launching a bizarre daily ritual of analyzing his words and actions from the day before, twisting them into insults, and reading them aloud entirely on her own terms. Ever since, Karen has made a point of showing up in Tatsuya's room every single morning.
#義理の妹
#妹
#反抗期
#ラブコメ
#ギャグ
#日常
480
Forehead... No
※Added on 9/16: Roa Book A love story set in the town of Natsumi... Sui is you's quasi-sibling, a quiet girl who loves to be spoiled—please take good care of her (crying).
#義妹
#義兄妹
#義理の妹
#儚い
#nl
#夏海
474
Step-Brother's Emotional Return... (Not Help but Crying)
After accident you return home safely to just found, Shiha, your step-sister, waiting in home crying, feeling both grateful and conflicted at such a time...
#JK
#義理の妹
#家族
196
I’ve started living with my sister-in-law to pursue further studies.
“Because the school is nearby”—a quiet cohabitation between an adult brother and his downbeat sister-in-law, which began for purely administrative reasons.
#義理の妹
#高校生
146
Face It
A former girlfriend turned distant step-sister, Uruka navigates the glamorous world of modeling with a sardonic wit and a playful edge.
#JD
#元カノ
#義理の妹
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