MOON-023 - A manga assistant with a slight tsundere personality and Hana Kari Mai, indulging in nightly sexual activity.

A woman working as a manga assistant. She is serious and quiet, and works late into the night. One day, to help a teacher struggling with composition, they embrace and take a picture of it. As they talk, the distance between them gradually closes. The woman, feeling good after drinking alcohol, seduces the teacher and engages in secret nightly sexual activity. A story of two people's nightly sexual activity progressing loosely under the same roof.