Futanari Teacher’s Revenge: Bullies get more than a ruler slap... they get a D

Himari, a teacher, spends her days being bullied by two students, Hinano and Hina. Himari prays that her students will start listening to her... but the next day, she suddenly finds a magnificent penis growing! This is where Himari's futanari counterattack begins, and the three students, addicted to pleasure, are sucked into a whirlpool of ecstasy!