From Echochi:

Blockheads Kasukabe and Misato are always quarreling over everything. But one day, Kasukabe finds himself helping Misato to escape from a bunch of fangirls. Alone in the classroom. Kasukabe starts taunting and teasing his arch enemy. But somehow, things start taking a turn towards a completely unexpected direction…

Tetsu is the son of a Yakuza boss who yearns for a 'sweet love', and meets his exact type of man, Senou. Senou, however, makes his living scamming people, and in turn, attempts to force Tetsu into making an adult video. A strong couple appears; "A no need to hold back" kind of chivalrous love! The story of Tetsu's childhood friend Tomoki and his Mathematics teacher, Sahara, is included.

High school freshman Hirano Haruto moved into the dormitory of the school he wanted to go. Morioka Touji, Haruto's guidance manager, has a "black" rumor going on in the school and he didn't fulfil his job to guide Haruto. However, Haruto finds that Morioka actually isn't as bad as everyone thinks he is...?

From Yaoi Is Life:

Kadokura is the student council president. His father, who is the coach of the track and field club, allows various members of the track club to board in his home, an event that causes alot of stress for his son. One main source of stress is the ace Kima, who has a huge ego and constantly bothers Kadokura. While Kadokura has to deal with this until he graduates and leaves the house, suddenly, one day, Kima kisses him. Consequently, Kima begins to kiss and touch Kadokura, but Kadokura has no idea why. It looks like if things keep up this way, Kadokura might start thinking that Kima likes him...