18+Premium Lesson S (Official)

 Lesson S (Official)

Sang-chul has just returned from the army. He’s trying to win over the freshman queen, Yeon-oh, but… With his pride wounded, Sang-chul asks Hee-soo to teach him the techniques, and so begins a secret and special class! Hee-soo and Sang-chul’s sex class. Will it ever end…?