Kohinata-san Chi no Chounan wa Fukigen

Haruma Shinohara has always been looked at as someone who is frightening and cold. With his attitude, no one would have figured out that a first year, Tetsubei, had crumpled that exterior by stumbling upon Haruma's weakness.

When Touya had his first wet dream, his big brother Naoto taught him how to pleasure and release himself. Little did he know that this not-so-innocent act would lead to something else. Seeing his brother having an orgasm made little Touya develop a desire to have his brother to himself. However, he is fully aware that such thoughts are considered taboo, and thus buried this secret close to his heart. But Naoto had his own bones to bury. A change in the family opened all the boxes and the secrets were laid bare on the table… Now they both have to find a way to deal with each other and move on.

Rei, an AV actor, is suffering from ennui. But things are about to change when he runs into one of his classmates from middle school.

The handsome "mom", Kano, joins the house of Kohinata: a family of six, all men. The oldest son, Kaname, could not accept Kano due to something that happened in the past. What will happen next?

Takagi is the prince of his office every girl admires. But in his private life, he just broke up with his lover and his body is sexually deprived… At the time, he learned about the "rental boyfriend" service by chance. He booked someone and the person who came was a really cool young man named Daichi. His body is perfect, and Takagi wastes no time seducing him to bed – but the service strictly prohibits sexual activities?!