Pg. 1-96: Isuka Yoshihito, a high school infirmary sensei, fell in love with a student, Shiina Satoru. However, after Sensei confessed to Shiina-kun, things started to go wrong. The mild-mannered Shiina became totally different and their strange relationship began.
Pg. 97-132: Two childhood friends, one is popular and can't turn down people's requests after rejecting them because he has someone he likes and the other is a loner whose only friend is him and he likes him. After witnessing the friend kiss a guy because he rejected him, he gets so angry that he proceeds to do him. Years later they meet at the high school reunion where he finally confesses to his friend.
Pg. 133-166: A guy confesses to his childhood friend, but is rejected but he still wants to be friends. Two years later they are still friends, but he now goes out with guys and breaks up with them soon after. After a guy he breaks up with punches him, his friend comes over and he asks him to sleep with him once and he agrees.
Pg. 167-176: Extra of the first couple.
Boku no Kichiku Megane