What is overflow manga?

Overflow is a Japanese manga series written and illustrated by Kaidou, which was first serialized in Comic Cat's website from August 29, 2018. The series has been published in Japan by Ichijinsha since July 2019 and has been licensed for English release by Seven Seas Entertainment.

Overflow tells the story of Chiba Reiji, a high school student who becomes the manager of his family's bathhouse. Due to an accident, he ends up sharing a bath with a classmate, Ishigami Konomi, and her sister, Konomi, causing him to develop feelings for both of them. The series explores topics such as love, relationships, and sexuality through the various experiences of the characters.

The manga has gained attention for its explicit sexual content and has been categorized as ecchi and adult comedy. It has also been adapted into an anime series that premiered on January 5, 2020, and ran for 8 episodes.