peridot
Complete | Kobayashi Hiyoko | 2000 released
This manga didn't have alot of yuri in it but it was a good action
Hanjuku Joshi
Complete | morishima akiko | 2008 released
This manga was a mixture of Yuri School life Love Romance Cute and Age gap but even thought it's a mixture it was a good 18 chapter manga
Haru Natsu Aki Fuyu