Bé sơ trung Sasha và thằng bạn Otaku cùng lớp

I am an aspiring mangaka, currently assisting in the production of erotic doujinshi as a middle school student. While I was reading doujinshi at school, a beautiful girl very interested in erotic things, Sasha-san, suddenly called me "Master"!? ___ **Alt Official Raw:** [niconico Manga](https://manga.nicovideo.jp/comic/57098)