School Life Yaoi

Ichigaya and Tomoki are high school students, but they don’t really know each other. One day Tomoki falls asleep during class and wakes up to find that the “cool” Ichigaya has painted his nails with a classmate's polish. The only way to get it off is to go to Ichigaya's house. There Tomoki steps into the lonely life of Ichigaya.

The thing I picked up by chance... It was connected to my classmate's xxx?!
The school he entered is school full of yankees. Then his life saver appeared before him when he's cowering in fear.

After being separated into different classes, Minaguchi found that the lack of Andou's presence actually developed into a sense of empty loneliness. But by coincidence, Minaguchi discovers that Andou always goes up to the rooftop on Tuesdays...

Contains two oneshots: one about a boy in love with his gay uncle and another story about a man who still keeps pictures of his first love while sleeping with a younger man

Nanase and Heiji are supposed to be two of the only straight guys in a school where 90% of the students are rumored to be gay (or bi). When a simple White Day exchange of chocolates starts to go awry, however, sometimes the consequences are unavoidable.

Related to:
Teppen no Himawari (Sequel)
Rakka Sokudo (Spin-Off)

Related to: Ordinary Crush

Leaving behind the pains of unrequited love, Ryuhei Ohno is determined to make a fresh start. On the first day of high school, he meets Kunihisa Imaizumi, who has joined the school not knowing that 90% of the student body is gay! And to put it mildly, he is a bit wary of his fellow classmates. Ryuhei appoints himself as Kunihisa's protector, but he soon finds himself being drawn to his firm gaze.

Better version
http://www.mangahere.cc/manga/teppen_no_himawari/

1-3, 6) A high school infirmary sensei falls in love with a mild-mannered student. Though kind on the outside, everything changes when sensei makes his confession.

4) A high school reunion brings back memories for two childhood friends. One of them was easy-going and popular, the other was quiet and antisocial, but he had secret feelings for his friend.

5) After being rejected by his friend at their junior high graduation, Kazuki begins sleeping around with a love-them-and-leave-them attitude.

Ch 2-3) Takahiko can't stand Aizawa, a student in another class. As for the reason why, it seems that Aizawa has his eye on Takehiro, a mutual friend. To save Takehiro from Aizawa's evil clutches, Takahiko plans an onsen trip so he can reveal Aizawa's true colors. However, when he hears about this idiotic plan, Takahiko's best friend Magi is nice enough to play along, but the result is something Takahiko never anticipated!

Construction worker Sakai Kazuya is a 23-year-old man in love. Unfortunately, the object of his affection is the younger sister of Ezumi Masashi, an 18-year-old elite whose house he has been working on. In order to dissuade Kazuya, Masashi lies that his sister is only interested in high achieving men. Masashi offers to tutor Kazuya so he can pass his senior high school exams, but will Kazuya be able to afford his extortive price?

Related series:
Stepping Stone
Kawaige
Otonage
Abunage

1-2) Class committee member Akia is asked to try and get along with Inuzuka, the eccentric prince of the chemistry room.
4) One rainy day while waiting for his brother, Jun met Miyabi, the son of a doctor.
5) Related to Jun and Miyabi's story. Jun's older brother, Yui is in love with Takumi, a part timer he picks up and hires as a housekeeper.
6) Keisuke has unrequited feelings for his gay friend Yamato, who has doubts about getting involved since Kei is bisexual.

1-2) Kousa is staying after school to help Nagai-sensei with some data entry. One thing leads to another, and data isn't the only thing being entered.

3-4) Two students start a dating club while holding feelings for each other.

5-6) Boy falls in love with his older brother who feels guilty about his own feelings.