Kosuke and Sana met at university, exchanged their first experiences, and became FWB. They started to live in a new apartment together. But Sana was not his only roommate; her busty sister, Aira, was also there. Whenever Kosuke and Sana had sex, Aira would always join in. It made Kosuke confused...
I Fell in Love With My Cool FWB but She Brought Her Big Breasted Sister Over 上線人數與 Steam 圖表
最低配備建議配備作業系統Windows XP+—處理器1.2 GHz Pentium 4—顯示卡752 x 423—記憶體512 MB RAM—儲存空間500 MB available space—
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Event-collecting RPG
30+ Basic CGs
1 HAPPY END
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Kosuke and Sana met at university, exchanged their first experiences, and even became Friends with Benefits.
Neither of them liked romance, so their relationship was simply to satisfy their sexual desires.
But Sana, who was usually expressionless and cool during sex, began to have increasingly cute reactions.
Kosuke fell in love with the changed Sana.
After that, at Sana's suggestion to split the rent, they started to live in a new apartment together.
However, Sana was not his only roommate; her busty hostess sister, Aira, was also there.
What's more, whenever Kosuke and Sana had sex, Aira would always join in, pressing her pussy against him and making him lick.
Unable to see Sana's cute reactions, Kosuke began to question Aira's constant interference.
The truth is always the same.
There is always only one truth.
"Could it be that her sister likes me...?"
That's impossible... No, maybe it's not impossible!?
So, a harem romantic comedy begins, and everyone will become happy.
玩家數更新於 9月18日 下午08:35 UTC · 商店資料更新於 9月22日 下午09:46 UTC · 來源：SteamWebAPI
I Fell in Love With My Cool FWB but She Brought Her Big Breasted Sister Over 在 Steam US 區商店的售價為 $7.99。自 2026年9月22日 以來，本站記錄到的最低價為 $7.99。Steam 在 12 個地區為這款遊戲分別定價，各地區價格列於上方。
I Fell in Love With My Cool FWB but She Brought Her Big Breasted Sister Over 由Hoi Hoi Hoi打造，於 2025年10月1日 發行。12 個月前發行。
Steam 標示 I Fell in Love With My Cool FWB but She Brought Her Big Breasted Sister Over 需要 500 MB 的可用硬碟空間。
9 篇 Steam 評論中有 100.0% 為好評，Steam 將其評為「9 user reviews」。
有，I Fell in Love With My Cool FWB but She Brought Her Big Breasted Sister Over 的介面與字幕支援繁體中文，但沒有中文語音。Steam 上 I Fell in Love With My Cool FWB but She Brought Her Big Breasted Sister Over 共列出 3 種語言，皆未提供完整語音。
沒有，Steam 將 I Fell in Love With My Cool FWB but She Brought Her Big Breasted Sister Over 列為單人遊戲。
SteamStatistics 上的 I Fell in Love With My Cool FWB but She Brought Her Big Breasted Sister Over Steam 圖表提供即時玩家人數，以及 24 小時、7 天與 30 天曲線，至少每十分鐘更新一次。
在 Steam 上，I Fell in Love With My Cool FWB but She Brought Her Big Breasted Sister Over 支援以下平台：Windows。未列出控制器支援。
I Fell in Love With My Cool FWB but She Brought Her Big Breasted Sister Over 的年齡分級為 DEJUS 18和IGRS BANNED。
排名 #114095