Shinu Hodo Suki
1. Classmates in love are separated by university, work, and life but manage to make the relationship work 2. Salaryman catches his boss leaving a love hotel and blackmails him into a one night stand out of curiosity. A year later he's begging his boss to be his regular lover 3. Team mates on a rowing team find out partners in the boat can lead to being partners in bed 4. Friends/coworkers are exactly the same, including liking the same two-timing woman 5. Seauel to Dare ga Omae wo Suki dato Itta. The son picks up men at a bar and ends up picking up a fellow teacher from his father's cram school.
Doushitemo Yaritakute Gakuen
1. Idiot HS virgins decide the only way to get girlfriends it to understand the female mind, and the best way to do that is to have sex with each other.
Mr.Arihara's Secret Circumstances
1. One is an idol that wears every emotion on his face. The other is an actor who acts cool and aloof, but really has a sweet tooth and it a klutz. Only his managers and the idol know his true personality. 2. Lovers since high school, but now one is becoming a popular actor and getting harder and harder to reach. 3. Uni student has a serious fetish for rubbing shaved heads and meets someone with the perfect head. But soon he starts to like the person, not just the hair.
Sawaraseteyo, Shiba-kun