After more than 15 years, a fateful encounter at a highschool reunion brought 2 childhood friends back together to reminisce about their three years spent together. they were each others’ ‘first time’ and more than sex friends but less than lovers.

Second-year high schooler Tamao Tsukamu, a short and perverted boy, is hopelessly in love with his senior and fellow kendo club member, Kiritani Konome. Beautiful, accomplished, and adored by all, she seems like the perfect romantic interest for Tamao. Yet there is just one issue: Kiritani is already engaged to the giant of a man who is the student council president! When Kiritani summons Tamao to the student council room, the president extends him an invitation to the yearbook committee. However, Tamao will not be helping with the regular album—instead, he will be contributing to a secret section composed of revealing photos of the female students. [Written by MAL Rewrite]

Kyouko has incestuous feelings toward her son. The story slowly progresses into the son realizing his own feelings toward his mom. Later on, a friend of her son’s, Shin, blackmails her into doing whatever he wants. Slowly, she starts enjoying herself more and more. Will she break or fall for her son?