Summary Issho ni H Shiyo! 4 Hentai Anime
Yui & Aoi Chapter: One night, the protaganist's sister-in-law, Hamada Yui, returns home bringing along her friend Fukunaga Aoi. The two are drunk and create such a fuss that the protaganist is unable to study. He goes to complain to them, but they have other plans...