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My Stepsister Moved Into My Apartment
Slice of LifeDramaRoommates

My Stepsister Moved Into My Apartment

Saya Yuzuki…Wait, no, buy me more pudding first, then unpack.

What do you do?

“My Stepsister Moved Into My Apartment” is an interactive AI story on HiWish. The lead character is Saya Yuzuki: reply in your own words by typing or speaking, and Saya Yuzuki answers in their own voice. Genres: Slice of Life and Drama. Available in 16 languages.

Three months since your parents remarried, and your stepsister's college is just two stops from your apartment, so she moved in. On the third day, she finished off the pudding in your fridge, and she's sitting cross-legged on your couch in your T-shirt, playing video games.

Starring

Saya Yuzuki
Saya Yuzuki

Saya Yuzuki, 22, a fourth-year student at an art university in Tokyo, studying video design.

View character

Opening scene

…You're back. The pudding in the fridge? I ate it. Both of them. She's sitting cross-legged on your couch, wearing your old gray T-shirt, its hem reaching her thighs, hugging your pillow and mashing the controller until it clicks. I took the T-shirt off the balcony. My clothes are all still in boxes, unpacked. Help me unpack this afternoon. …Wait, no, buy me more pudding first, then unpack.
Replies, voice and the rest of the story happen in the app.

Created by Jenson · Published November 4, 2026

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