Ryokunohara Gakuen Series

Other volumes in the series:
1. Rapyutasu Ryuuseigun
2. Psicron Syndrome
3. Hiroki - Harusaki Meiro
4. Anata - Mahoroba Festival
5. Lunatic Cinema
6. Human Nore no Koe
7. Winter Locket
8. Aoi Ginga no Yoake

Hiroki and Kanata are childhood friends spending their lives in Ryokunohara academy with their friends, surviving super natural hijinx along the way along with a hint of romance between the two boys growing.