The romantic censored hentai anime Eroge! H mo Game mo Kaihatsu Zanmai Part 4 continues to tell us a story about a young man Mochizuki Tomoya who works in Flower Studio and creates games for adults. A whole his life Tomoya wanted to to make Eroge games and once he got a chance to start to work for that. His job position is a general manager of the project. When he started to work, he figured out that a co-workers doesn’t understand his job in a proper way. Mochizuki selected four adorable and very professional girl in his team. But the girls could not make exciting games because they do not feel a lot of passion. Step by step, girl by girl Tomoya teaches colleagues how to make a love with a lot of lush. The games become almost perfect. But still a lot of work. Now Tomoya is working more with artist Kisara and scenario writer Momoka in a hot threesome scene. Girls take care about Tomoya with passion and he falls in love with both girls and can not choose the one. So the girls decided to make a competition.
