DBVB-017 - Futanari Sensual Development Lab

The scene where he's lying on his back having his glans stroked the whole time must have been agonizing. Then they bring out a glans vibrator and keep at it—as a man, it makes my balls shrivel just watching. Personally, though, I wanted them to keep going even after he ejaculated; having the orgasm signal the end felt a bit too soft.