Teruya got confessed to by a fellow student named Yuga but before he could turn him down, his friend Sugawa went to turn him down for Teruya's sake. Sugawa told Yuga that they are dating but Yuga wanted proof which lead to a threesome.
Himari was traumatized by girls when he was a small child so he ended up not being good at dealing with women. Hence, he decided to go to an all boys high school where he quickly became friends with Asada. The issue with Himari is that he lives with his mother and sister so when puberty struck he started to think he was sick and became concerned. It was only after he told Asada that he was told he was having wet dreams and that Asada will show him how to masturbate.
High schoolers, Sawane and Niimi goes to an all boys high school and they are together in the student council. Niimi asked Sawane out and they started dating but Niimi feel like they are nothing more than sex friends but he is also constantly pushing Sawane away since he is afraid people will see them being intimate.
[Dont really like this, boring and no story line]
Kura and Ichimura are roommates with opposite personalities, Ichimura is cheerful while Kura is moody and a hard person to be around. Oba is popular and also the childhood friend of Kura, who sexually harassed Ichimura who wants a girlfriend so he can graduate from being a virgin.
Azuma attends a school for gifted boys (school for the wealthy) and after just transferring, he became the top student in academics, knocking Tatsumi from the top. Since attending an awards ceremony, Azuma started to get bullied which he could care less about and just ignored. Tatsumi decided to get even with Azuma personally but he found out that Azuma is a scary person. Also, Azuma knows the real personality of the principal who the students holds in high regards.
High schooler, Yamada use to be a baseball player but he quit and became the manager instead. He is a straight laced person who was tasked with looking after the schools problem children for a week, Nimi Asa and Kagura Shou. Asa is the type of person who sleeps all the time but Yamada finds hiim kind of cute for a guy.
Yamato and Suoh met in an elite high school, Yamato is a delinquent but went to an elite high school since his father is the chairman while Suoh was known as the schools prince. Yamato was confessed to by Suoh and they started dating but Suoh was taking things slowly and does not force his feelings onto Yamato.
1) Hagiri's peaceful school live got turned upside down after meeting Ginkawa who have fallen for him. Hagiri is the prickly type who focuses on his school track while Ginkawa is the type who runs head first and keeps on confessing his love, even though, he gets rejected.
2) Centers on the relationship between the sports maniac Taka, and the glutton Yuu, who have been dating for the past 3 months.
3) Centers on the relationship between Taka and Yuu's two friends, Sato and Hinase.
4) The case
Mikami to Sato wa Mada Yamashikunai