#2185 of 7,542 games tagged Dating Sim#378 of 1,067 Dating Sim games released in 202591% positive — against 83% for a typical Dating Sim game
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《某天成为妹妹》是一款短篇galgame。在期中考后，林煦接受了夏璃的告白，二人成为了情侣。但双方父母却因家长会相识相认相恋，两个单亲家庭阴差阳错成为了一家人——校园情侣竟成兄妹？！甜蜜轻快的恋爱日常，奇妙的身份重叠，由此展开！
Tags
About the game
- Released
- December 31, 2025
- Developer
- 海伦幻想制作组
- Publisher
- 海伦幻想制作组
- Genres
- Casual, RPG