Marina and Airi's single mother has recently gotten married. Their new step-dad seems like he'll make a loving father. Like a really, really loving father.
Tachibana Ichirou, is an ordinary student; however he knows a secret. That his teacher, Yoshiko is the owner of the mansion on the hill, and she is in fact a witch! One evening, he goes to the mansion to see her using the magic...
A tentacle monster that feeds on girl cum takes over schoolgirl Murasawa Itsuki , driving her to seduce and pleasure other cute schoolgirls. How long will they last before becoming nothing but slaves to the pleasure?
