Home某天成为妹妹
某天成为妹妹
海伦幻想制作组 · released Jan 1, 2026 · demo · data updated Oct 24, 2026
by 海伦幻想制作组
《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！
Released Jan 1, 2026 · Demo available
Steam figures
| Value | As of | |
|---|---|---|
| Steam reviews | Positive · 91% positive of 12 Steam reviews | Oct 24, 2026 |
| Followers on Steam | No followers data for this game yet | |
| Regular US price | $1.99 | Oct 7, 2026 |
New Steam reviews per week
| Week | New positive | New negative |
|---|---|---|
| Week of Jan 1, 2026 | 5 | 0 |
| Week of Jan 8, 2026 | 1 | 0 |
| Week of Jan 15, 2026 | 1 | 0 |
| Week of Jan 29, 2026 | 2 | 0 |
| Week of Feb 5, 2026 | 1 | 0 |
| Week of Feb 26, 2026 | 1 | 0 |
| Week of Apr 16, 2026 | 0 | 0 |
| Week of May 14, 2026 | 1 | 0 |
| Week of Jun 25, 2026 | 0 | 1 |
| Week of Jul 2, 2026 | 0 | 0 |
| Week of Jul 9, 2026 | 0 | 0 |
| Week of Jul 16, 2026 | 0 | 0 |
Tag DNA
| Tag | Share of Steam games |
|---|---|
| Text-Based | 1 in 28 games |
| Dating Sim | 1 in 27 games |
| Comedy | 1 in 13 games |
| Visual Novel | 1 in 12 games |
| Anime | 1 in 9 games |
| Cute | 1 in 6 games |
| First-Person | 1 in 6 games |
| RPG | 1 in 5 games |
Games like 某天成为妹妹
| Game | Developer | Match | Steam reviews |
|---|---|---|---|
| Senren＊Banka | YUZUSOFT | 83% | Overwhelmingly Positive · 33,957 |
| Doki Doki Literature Club Plus! | Team Salvato | 82% | Overwhelmingly Positive · 30,575 |
| 他人世界末 On-looker | 8A studio | 87% | Very Positive · 2,748 |
| 最后的47小时 - The Last 47 Hours | Lingtan Studio | 91% | Very Positive · 172 |
| Gaokao.Love.100Days | 高考恋爱委员会, 橘子班 | 85% | Very Positive · 5,000 |
| ATRI -My Dear Moments- | Frontwing, 枕 | 81% | Overwhelmingly Positive · 21,563 |
| Aokana - Four Rhythms Across the Blue | sprite, NekoNyan Ltd. | 83% | Overwhelmingly Positive · 5,111 |
| True Love ～Confide to the Maple～ | SP-time | 89% | Very Positive · 1,334 |