Despite being a teacher and student council president, (CAWB-016)

教師と生徒会長でありながら私たちはザーメン肉便器に調教して欲しいドマゾ姉妹です。

The older sister is a virtuous teacher who upholds discipline and strictly scolds students, while the younger sister is a brilliant student council president who is highly trusted by the students. – Jav.wine CAWB-016