Doctor Grey is moving up in the world of Fembots
He is going for the "Creampie Acheivement"

The only way to achieve that is to give the robot a creampie

She awakens from her charging port
Ass Worship
Cock Sucking and Ass Rubbing
Doggystyle
Missionary
Cowgirl and Reverse cowgirl =

Riding Creampie

Achievement is now UNLOCKED.