Awai nukumori

Misa was at the height of happiness after her boyfriend Kazuki proposed to her. However, Kazuki suddenly disappeared, leaving a note saying, "Don't look for me." At the lowest point of despair, one day she bumps into Kazuki on a street at night. For some reason, Kazuki runs away as fast as he could, and Misa desperately chases after him, only to discover that he's living a comfortable life with two strange women... (Exists in R15+ and R18+ versions with two different titles).