Tentacle and Witches

テンタクル アンド ウィッチーズ

Based on the erotic game by Lilith Mist. 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... (Source: DLsite English)