The man sat down, opened the front of his pants and spat into the hole in the jelly, before moving it down towards his errect shaft.
"Can always just throw it away later if it doesn't feel good." He mumbled to himself, before thrusting the blue jelly down on his dick.
He started up slowly, but started speeding up after a few thrusts. "Damn, this is better than i thought."
It didn't take the man long to finish, filling the sleeve enough for the end to bulge slightly.
The man had to sit back on the chair for a moment to recover.
"Whew, i'm not sure i've ever..." He sat there for a moment, before leaning forward, about to stand up.
"Well, this thing isn't gonna clean itself." His eyes fell on the blue onahole as he was about to get up,
and he noticed that it looked exactly the way it did before he used it. He was stunned for a moment and lifted it in front of his eyes.
"Uh, i guess it does clean itself?" He scratched his head with his left hand and looked at it a bit longer, but finally shrugged and put it down.
"I guess it doesn't really matter why it does that, saves me the extra work."
The man got up and walked away, leaving the onahole behind on the table, ready to be used at his leisure.