Apprentice witch Sheriella is a dropout who can't use magic. If she continues like this, she'll probably be expelled, but the prefect Hades-senpai says he'll train her to be a great witch. Apparently , if she's injected with the sperm of a talented wizard, her magical power will increase... "Well then... we need to have some more lessons." Hades-senpai trains Sheriella to control her magical powers by administering an aphrodisiac to her body. While he trains her, he verbally abuses her , humiliates her , cums inside her , teases her clit , squirts , and does it from behind . However , it seems there's another reason why Hades-senpai is obsessed with Sheriella ...!?