ARM-423 Panchira teacher pretending to be serious

Sensei, who always wears short skirts, pretends to be serious and doesn't understand, but the hem of her tight miniskirt is rolled up. You're really showing it on purpose, aren't you? But... if you show me your pants in front of me like that, it's time to study. From an unprotected panchira to gradually bolder... At the end, it's erotic and gentle, let me shoot my punch line!