Chimoto Megumi

The protagonist's coworker. The protagonist falls in love with her and rapes her in her home. When he confessed his feelings for her she decided to date him and continue to do so until he gets tired of her in her own words.

In Kouman na Oku-san wa Suki Desu ka? She is the former classmate of Tomomasu Miki. Megumi is the main reason for Miki to start having an affair with Irie Takashi. Megumi by this time has been having the affair for one year.