Evergreen Days

Evergreen Days summary:

[From Fujoshi Bitches] Chemistry teacher Kousaka appears before Takuma, who is living the peaceful life of a high school student. This teacher who doesn’t act like a teacher captures Takuma’s interest, but unexpectedly the teacher’s words touch his heart, and interest transforms rapidly into love. These two, who met over a shared cigarette, go beyond their respective roles and begin a new relationship! Includes an all-new extra about their rich love life after Takuma goes to university.