Not too long....

Dr Bluder kept her pace up on top of the young bound hero, her asscheeks smacking against his thighs as she tried to draw his orgasm out.

Looking down at Ultraboy, Dr Bluder smiled as she saw him grimace as his climax drew near, his grunts were music to her ears as he started to try to break his restraints with the energy that was surging through him. Dr Bluder dropped her weight down on top of him, smothering his lips with hers to keep him down.

Suddenly he moaned into her mouth as he unloaded his monster load, his sperm flooding the evil doctors fertile womb. Dr Bluder whimpered as she felt the full **** of Ultraboy's powerful orgasm, it just kept going until finally, his balls were drained and he slumped back onto the table.