On her tits.

"-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.

"Oh!" Shoko gasped as thick gobs of semen splashed on her tits.

Hajime continued stroking his cock, covering the doctor's chest with his sticky jizz, 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.