Up: 21-09-2026, 15:59
Ver.2026.08.14
Kosya - My Life with my syster - A secret cohabitation life kept from Onee-chan - Secret Cohabitation with Big Sister - A Milk Tea Bond Thicker Than Blood Ver.2026.08.14 Final English RJ01558254
200 mb.
4 212 downloads
Developer: Kosya Publisher: Kosya Release date: Feb/02/2026 Version: Final Language: English, Japanese, Chinese (Official) Censored: Yes (Mosaics) That day, after that stream ended── With the support of a mysterious sponsor, an older sister and a
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Up: 19-08-2026, 20:49
Ver.1.00 Final
kosya - Coffee Shop Adventure Ver.1.00 Final English RJ01691146
126 mb.
389 downloads
Developer: kosya Publisher: kosya Release date: Aug/07/2026 16 Version: Final Language: English, Japanese, Chinese, Korean (Official) Censored: Yes (Mosaics) This work represents a new challenge for us. We've evolved manga into an interactive
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Up: 21-06-2026, 08:51
Add Android Version
kosya - Conditioning the Pink Leprechaun Ver.1.1 Final Win/Android RJ01044597/RJ01048006
123 mb.
2 398 downloads
Developer: kosya Publisher: kosya Release date: Apr/01/2023 Version: Final Language: Alingual Censored: Yes (Mosaics)
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Up: 20-06-2026, 18:58
Android
kosya - Sleeping Together ～Underground Idols' Camp Life～ Ver.1.00 Final English RJ01638705/RJ01649499 Win/Android
123 mb.
1 826 downloads
Developer: kosya Publisher: kosya Release date: May/30/2026 Version: Final Language: English, Japanese, Chinese, Korean (Official) Censored: Yes (Mosaics) 睡眠○ ～地下アイドルたちとの合宿生活～ Three underground idols and their manager live together in secret. During
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Kosya - Sexy Witch x Leopard Print Pants Hero Ver.1.00d English RJ01563676
76 mb.
570 downloads
Developer: Kosya Publisher: Kosya Release date: Feb/07/2026 Version: Demo Language: English, Japanese, Chinese (Official) Censored: Yes (Mosaics) This is a block-breaking mini-game that can be enjoyed with simple controls. As a hero, you will battle
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Kosya - Oh No! The Swing Girl’s Masturbation Grand Strategy v1.02 Final (eng)
80 mb.
835 downloads
Developer: Kosya Publisher: Kosya Release date: Aug/06/2025 Version: Final Language: English, Japanese, Chinese, (Official) Censored: Yes (Mosaics) A swing tucked away in a secluded corner of the park. A girl sits there, swaying gently as she loses
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Up: 23-09-2025, 06:18
Final Version
Kosya - Shark Girl Train Ver.1.00 Final (eng)
44 mb.
561 downloads
Developer: Kosya Publisher: Kosya Release date: Sep/23/2025 Version: Final Language: English, Japanese, Chinese (Official) Censored: Yes (Mosaics)
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kosya - Oh No! The Swing Girl’s Masturbation Grand Strategy v1.0
72 mb.
525 downloads
A swing set tucked away in a corner of the park, out of sight. A girl sits on it, swaying back and forth, lost in thought. The thrill of daytime and the guilt of nighttime— Through your actions, she gradually discovers pleasure. Can you maintain
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Up: 20-07-2024, 13:54
Update to Ver.1.03
Kosya - Bunny Girl Alien Adventure Ver.1.03 Final (eng)
562 mb.
1 609 downloads
Developer: Kosya Publisher: Kosya Release date: Jul/11/2024 Version: Fina Language: English, Japanese, Chinese (Official) Censored: Yes (Mosaics)
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Up: 25-02-2024, 15:57
Add Android Ver24.02.08
Kosya - Takeaway Delivery Person Ver.24.01.30/24.02.08 Final Win/Android(eng)
140 mb.
4 551 downloads
Developer: Kosya Publisher: Kosya Release date: Jan/24/2024 Version: Final Language: Chinese Simplified, Japanese, English (Official) Censored: Yes (Mosaics)
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Up: 19-12-2023, 16:35
Update to Ver23.11.25
kosya - jidouhanbaiki - Vending Machine Girl Ver23.11.25 Final
137 mb.
1 642 downloads
Developer: kosya Publisher: kosya Release date: Sep/20/2023 Version: Final Language: Alingual Censored: Yes (Mosaics) I stumbled across a weird vending machine in a back alley store. Experience it anyway!
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Up: 23-11-2023, 09:53
Add Android Version Ver.1.26
Kosya - What?! My Big Sis is Lewd Streaming from the Office Ver.1.26 Final Win/Android (eng)
206 mb.
4 862 downloads
Developer: Kosya Publisher: Kosya Release date: Aug/23/2023 Version: Final Language: English, Japanese, Chinese (Official) Overview: It seems that my sister, started a naughty live stream in the office for my tuition! The protagonist's summer
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Up: 4-09-2023, 14:30
Add Android Version Eng
Kosya - There's a Weird Noise Coming from the Mens' Toilet Final (eng-jap-chi)
421 mb.
2 896 downloads
Developer: kosya Publisher: kosya Release date: 15 Jul, 2023 Version: Final Language: Japanese, Chinese, English (Official) Censored: Yes (Mosaics)
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Kosya - Shocking! Office Live Streaming of Big Sister OL~, Sister Live Broadcast v1.25
247 mb.
1 304 downloads
It seems that my sister, started a naughty live stream in the office for my tuition! The protagonist's summer job has started in order to protect his sister, who raised him single-handedly. Censored: Yes (Mosaic) Version: 1.25 OS: Windows
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Up: 14-06-2023, 17:11
Final Version
Kosya - Pornography Conference Final (eng)
103 mb.
4 420 downloads
Developer: Kosya Publisher: Kosya Release date: Jun/13/2023 Version: Final Language: English (Official) Censored: Yes (Mosaics)
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Up: 20-01-2023, 22:41
Final Version
Kosya - Run Away, Slime! Ver.1.1 Final (eng)
200 mb.
1 247 downloads
Title: Run Away Slime! Developer: kosya Publisher: kosya Release date: 3 Nov, 2022 Version: 1.1 Language: English, Japanese, Chinese (Official) Censored: Yes (Mosaics) Take manage of a slime and run from the rookie adventurer at the same time as
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Up: 11-11-2022, 10:37
Final Version
Kosya - Psychedelic Space - This APP is YABAI!!! Final (eng)
60 mb.
1 350 downloads
Developer: Kosya Publisher: Kosya Release date: Sep/22/2022 Version: Final Language: English, Chinese, Japanese One boring afternoon, a girl inadvertently opens a strange application, enters a strange virtual space and has an incredibly naughty
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