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Oh, Oniichan!v.1
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31 Mar 25
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Instructions
Release Date: 2025-03-30
Developer / Publisher: Tiny Secret Games
Censorship: No
Language: English
Platform: Windows
OS: Windows 7+
CPU: Pentium 4 2 GHz or equivalent
GPU: Intel HD 2000 or equivalent
RAM: 512 MB
Disk Space: 250 MB
DirectX: 9 or higher
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Overview
Enjoy chatting with Sera-chan in this hentai chat game. As the story progresses, you can unlock various pictures of her and develop the relationship from innocent photo sharing up to so much more.
Realistic Phone-Chat
Chat with your sis about her dreams and sexual preferences in a realistic Phone-Chat simulation. Chat sessions are scheduled in real time for more immersion. You will play this game in short sessions to experience the story over the course of an entire week.
Chose Her Name
You can decide how she is called and how she will address you! By default, her name is Sera-chan and she will call you Oniichan.
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