Trompe-l'oeil No Yubisaki
1 - Brother and brother's teacher 2 - Archery - StudentxTeacher - forced hand job 3 - College - student wants to cum on another's face 4 - Incest - stepsonxstepfather because stepson is in love with his stepbrother 5 - Rivalry between two young doctors 6 - Salaryman and tie salesman - Best one of the series.
Wasuremono
1-2 - Calligraphy teacher 3 - Student cooks for next door neighbour 4 - Senpai/kouhai - kouhai always tells senpai he likes him; finally get together in college 5 - Couple who have been together for a long time - one partner is selfish, loses jacket
Tsumasaki Ni Kourozu
Professor and student - biology Student who can see people's 'fish', falls for best friend Grandfather dies, meets fox spirit
Koko kara Dousuru?
Go players - rivals Salaryman and Conbini assistant Inugami and 'wife' Glasses shop (not so good)
Kizudarake no Airabuyuu