曽我部 奈緒美

An elegant woman living in the same neighborhood as Yukiko and Sumire. She was the main organizer of their "nightly conversations", and was the one who pulled the girls into sexual promiscuity through various methods.

It was revealed that she was secretly filming the girls' various sexual activities, then edits and sells them as pornographic videos in her own shop. She also makes money by enticing children to pay 1 months worth of their allowance to have sex with the girl of their choice.