Mario had entered the room at the wrong time. Since Marcello's room was soundproof, he wasn't able to listen to what was listen to whatever was going on inside.
His eyes widened in shock as he saw the scene in front of him. Eduardo and Marcello had their dicks held by Eduardo while Marcello was busy thrusting his waist up and down.
"I... I'm sorry. Please, continue with what you were doing" Mario's tone went off as he stuttered before slamming the door closed. He immediately flung his hand over his mouth as he leaned against the door.
'What was that? It's so... Huge!'
His cheek flushed red as he pictured what he saw over and over again.
.
Since Mario left the room, Marcello stared at Eduardo, giving him a wink.
"Oops! We got caught. Let's continue-"
"No way! That's enough!" Eduardo gently pushed Marcello off his body and started buckling his belts.
"But, I haven't cum yet!"
