Oh, Oniichan! (Hentai Chat Game)

OVERVIEW

Your sister wants to create her own OnlyWaifus page after becoming eighteen. Will you stand by her side?

In this hentai chat game, have fun conversing with Sera-chan. You can unlock different images of her as the story goes on, and you can grow the connection from simple photo sharing to a lot more.

GAME FEATURES

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.

FETISHES

Adult
Anime
Eroge
Erotic
Hentai

NSFW
Porn
Romance
Sex
Singleplayer

GAME SCREENSHOTS

Frequently Asked Question

What is Oh, Oniichan! (Hentai Chat Game)?

Oh, Oniichan! (Hentai Chat Game) is a simulation game for adults.

Who developed the Oh, Oniichan! (Hentai Chat Game)?

Oh, Oniichan! (Hentai Chat Game) was developed by Tiny Secret Games.

How can I become a patron?

Becoming a patron is easy. You can become a patron by clicking on this link to visit Tiny Secret Game’s Patreon site: http://patreon.com/TinySecretGames

Where can I report bugs?