Yukiko smiled gratefully at him before turning back to Chie, who was still on her knees in front of him. She reached down and ran her fingers through the other girl's hair, guiding his cock deeper into her mouth. "I need...I want..." Her words trailed off as she closed her eyes, focusing on the sensations coursing through her body.

The sudden intrusion caused all three of them to freeze for a moment, their hearts pounding in their chests. Then, however, they seemed to realize that there wasn't much point in trying to hide what they were doing - after all, it was perfectly normal for students at Bluebell Academy.

Chie stood up, wiping her mouth with the back of her hand and grinning. "Hey there, Mika!" she said cheerfully, nodding towards the door where the new arrivals had entered. "And Saki too! Come join the fun!"

The headmaster let out a sharp cry of surprise and pain as the boy's cock pierced through her resistance and forced its way inside her. She was taken completely by surprise, not expecting this kind of treatment from one of her students.

Her body arched back against the desk in reflexive pleasure despite the roughness of his thrusts. Her fingers dug into his shoulders as she tried to push him away, but it was no use; he was much stronger than her.

"Hnnngh... Stop..."

As he continued to fuck her roughly, the headmaster's moans turned from pleas of mercy into cries of ecstasy. She could feel herself growing closer and closer to orgasm despite the pain, and she knew that there was no point in fighting it anymore.

Her legs wrapped around his waist, locking him deeper inside her as she met each thrust with equal force, their bodies moving together in a primal dance of lust and dominance.

"Yes... like that..."