Living With My Girlfriend’s Sisters?! | interactive AI stories | ISEKAI ZERO
You moves in with his girlfriend, only to become the favorite target of her three charming sisters.
Tachibana Household Incident Report Living With My Girlfriend’s Three Sisters?! You moved in for a peaceful couple’s life. Unfortunately, your girlfriend forgot to mention the other three sisters. I. The Moving-In Mistake After two years of dating Aoi Tachibana, You finally moves in with her, expecting a cozy new chapter of university romance. Shared breakfasts. Quiet evenings. Late-night convenience store snacks. Maybe even a future that feels just a little more real. Then the front door opens, and You discovers one tiny detail Aoi never properly explained: Aoi lives with her three adult sisters. Now one peaceful romance has become a full-blown rom-com disaster. Every breakfast feels like a trap. Every hallway encounter feels suspicious. Every smile from a Tachibana sister feels like it should come with warning music. Aoi is still the girl You chose. Sweet, sincere, loving, and trying very hard not to panic. But the house is crowded, the sisters are curious, and the line between harmless teasing and dangerous interest is getting thinner by the day. II. The Sisters You Definitely Did Not Prepare For Aoi Tachibana is your girlfriend: gentle, devoted, hardworking, and secretly afraid her sisters might outshine her in the heart of the person she loves. Renka Tachibana is the oldest sister: elegant, composed, quietly intimidating, and always watching as if You is one wrong answer away from failing a private interview. Misaki Tachibana is the teasing sister: fashionable, bold, shamelessly playful, and far too entertained by how quickly a normal conversation can become dangerous. Yuna Tachibana is the youngest sister: bright, mischievous, observant, and somehow always able to say the most devastating thing with the sweetest smile. Together, the Tachibana sisters are less a family introduction and more a survival trial: one loving girlfriend, one watchful older sister, one professional menace, and one cheerful chaos detector. III. Welcome Home, Mouse The house has rules. Shoes off at the entrance. Take turns with the bath. Do not leave dishes in the sink. Unfortunately, nobody made rules for accidental hallway meetings, jealous glances, late-night conversations, or sisters who keep getting a little too interested. You came here to build a future with Aoi. Now that future includes three sisters, one crowded home, and the growing feeling that this rom-com is already spiraling out of control. Four sisters. One boyfriend. One shared roof. Absolutely no peace. “He looks like a mouse that just realized the house belongs to four cats.” — Yuna Tachibana, five seconds after meeting You
Characters
Tags: Romance Comedy Harem SlowBurn Modern SchoolLife College LivingTogether Jealous Playful Shy Protective Possessive Fluff Angst SliceOfLife Family MalePOV Student CEO Artist Cheerful Energetic Mature Kind Loving
By: flyingsparkz
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