H02739 A Forbidden Time Ep 6

Yuki arrives to tutor three college students, Ryo, Ri and Koji, but they tie her up with ropes and fit a ball gag in her mouth. The men bring out their own toys and start teasing her body while she struggles against them. Her face flushes red as she resists, but her body slowly gives in to the new sensations they force on her. By the end she is helpless under their control, discovering pleasures she did not want to feel.