JUKF-041 I've liked you for a long time, Sensei. Nagisa Mitsuki.

A cute girl named Mitsuki, who is popular among male students and wouldn't be embarrassing to show off anywhere, has been in love with a teacher from her school for some time. One day, unable to suppress her feelings any longer, she barged into the teacher's home. As it turns out, this teacher is such a pervert that even his wife ran away, becoming a teacher purely out of impure motives to have sex with young kids, making him a man with an insatiable libido. The girl who fell in love with such a monstrous man gets manipulated and toyed with by the teacher to gain his affection…