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PORNOVA.ORG - Best Adult Games! » Hentai Games » Oh, Oniichan!

Oh, Oniichan!
v.1

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31 Mar 25
Hentai Games
Oh, Oniichan!
Info System Requirements Download 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


Please note that these are recommendations and are subject to change by the developers in future game updates. To ensure optimal performance, it is recommended to use a system that exceeds these recommendations.
Please spend time to read FAQs before downloading!
Is Link Dead? Let us know and we'll replace the link. Report
If you are downloading a Japanese game (jRPG), I suggest you take a look at the guide to running it with the Japanese Locale Emulator.
Installing
Scrinlist:
    Overview
    Your sis turned 18 and wants to start her own OnlyWaifus page. Will you support her?
    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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