Watashi no Sensei wa Kao dake Kowai

Synopsis

Mochiko, a third-year high school student, is in love with Mr. Kito, who is known to be a coward despite his tough appearance. She tries every trick in the book to get close to Mr. Kito, but she can't seem to get a response, but what about the man in question...? (Source: Natalie, translated)