The older brother of four younger sisters – the protagonist – had severe asthma when he was younger. Due to this, they started the routine of one of the sisters sleeping with him for one day and then switching to another.One day, their parents, who are researchers, ordered a demonstration of their newest experiment, “Improve his immunity by hugging him.””Hug a little sister affectionately for 10 seconds every day before going to bed♪”He decided to hug the sister he was going to sleep with him with even more affection then she could ever imagine…
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| Alternative Title | OniGyu, おにギュ, 妹抱, Onii-chan, Keep Hugging Me Tight Until Morning Comes!, Big Brother, Keep Hugging Me Tight Until Morning Comes!, 오빠 아침까지 계속 꽉 안아줘! |
| Status | Completed |
| Type | Eroge |
| Published | Tinkle PositionLianzhong Hanhuazu |
| Group | Tinkle Position |
| Artist | Hirose MadokaSD |
| Serialization | VNStat |
| Posted By | |
| Created Date | |
| Views | ? |
