Docchi ni Suru?
1 story: 1 uke, 2 semes, always a threesome even though the semes hate each other they still love the uke. They "all" are childhood friends. 2 story: A guy works at a company. He has a kohai there. He has a crush on him. One day they drank some sake and ended up in a hotel. They has sex - the senpai being the uke (unwillingly at first).
Isso Mou, Kudokitai!
1st couple: Sensei x Student Ayukawa sensei transfers to a boy school for rich kids. He has been having really bad experiences with love so far. Hino, the student, falls for him and chases him in his own way (like eggs on the floor as a gift and so on). The sensei thinks Hino is harrasing him but in the end they end up together. 2nd couple: 2 students Tsuchiya is Hino's friend. He looks like he doesn't give a sh... but he's secretly in love with Mikuni who is a ladiesman. After he helpes Hino to get Ayukawa sensei he basically attached himself on Mikuni. They end up together.
Miwaku No Ringo
1st couple: sensei x student Ichijou is a student of a school for rich kids. Ringo (that's a nickname) is a new sensei in this school. Ichijou fells for him after Ringo reats him like a normal student and not like a rich boy. Ichijou has 2 friends who helps him get closer to Ringo. They end up together. 2nd couple: 2 students 1 student is one of Ichijou's friends, Yonekura, and the other student, Ninomiya, is another spoiled brat like Ichijou (Ichijou doesn't really like at first, now they are something like friends).
Ore Dake Mi Nai to xx Shichau zo
There's a couple in a school, They were childhood friends. One of them is really girly and he wears a ribbon on his head. The other guy is a normal guy. Turns out that girly guy is a total yandere who even put a bug on the other guy's uniform.
Kizudarake no Hakoniwa
Yuiji + Mitsu. Mitsu has a bitting fetish. Mitsu transfers into Yuiji's school cause he was involved in a scandal on his previous school (he was in a relationship with a girl who was a masochist but her parents found out). He falls for Yuiji so he starts to chase after him in his own way. They end up together and they're guite happy - true love in the end.
Bukiyou na Silent