Mamoru Kouda, a high school boy, is the secretary of the student council in a school attended mostly by women. Despite his menacing expression, he has a weak presence and a peculiar ability only his childhood friends know of. Wishing for a peaceful school experience, he uses his ability to resolve disputes and misunderstandings between girls, protecting the precious GL within the school.

This is the story of a stealthy high school boy, who protects the hallowed halls filled with blooming yuri love.

(Source: Kodansha, translated)