Nosewasure The Animation: Onna Kyoushi Chuuzenji Ayano no Inutsu na Kore kara.

* Based on erotic manga by Shiwasu no Okina Ayano-sensei has discovered lesbian love with one of her students. One day, she discovers something incredible in the Occult Club's garbage - a picture of a girl with male genitalia. Determined to get one of her own, she must withstand being cummed inside 100 times...