In her mouth.

"-ing!" Hajime continued, suddenly pulling out with his fingers pinching his shaft as his balls tightened. He stepped over the beautiful doctor as she panted, causing her heavy breasts to roll with each breath, and squatted over her head.

Shoko instinctly opened her mouth and wrapped her lips around his cock's bulbous head. She tried to guzzle down the thick stream of jizz he was releasing down her throat but she started to gag.

Hajime pulled out and continued stroking his cock, covering the doctor's face with his remaining wads of sticky cum, until his balls were finally empty and his cock limp. Then he felt his knees go weak and started blacking out.

"Tanaka-san!" Nurse Ai cried out.