Sensei ni wa Mada Iwanai

A teacher x student yuri story. Iijima has a crush on Takahaya-sensei, a female P.E. teacher. Every day after hours, she makes time for sensei in her office, where the two of them can be alone. The more time she spends with her, the more her feelings grows... but she hasn't been able to tell her about this feeling just yet.