A teacher named 'Yurika' at a certain all-boys school had, several years ago, married a perverted and masochistic husband. As a result, she found pleasure in making men reach orgasm through anal stimulation. Every night, she would fiercely drive her masochistic husband mad with reverse anal sex using a dildo. One day, 'Yurika' felt her yandere heart stirred by a masochistic male student she met at school. She taught him anal pleasure on the bed in the nurse's office and then invited the student to her home, drowning him in the ecstasy of perverted reverse anal sex...
