11:40 AM - Walter arrives at the dorm

At 11:40 AM, Walter walked in the dorm to see strewn around empty bottles of beer and spirits, calling out for the boys to no reply. Glancing around the apartment he spotted no trace of the two strapping young men. That was when he suddenly heard some snoring. Following the beastly sounds he made his way to one of the bedrooms, noticing the bulbous shape of an ass under some sheets.

'That's definitely not one of the boys!' he thought. Stepping slowly towards the bed his curiosity got the better of him. Next he pulled the sheet to the side gently, revealing the most angelic ass he'd ever seen!

Without thinking he grabbed a handful of that ass in front of him. "Oh my god, look who we've got here! This can't be real" he mumbled.
Simultaneously Walter felt his cock spring to its full length and instinctively doffed his trousers. Now with his cock enlarged to its full length, he decided to go all the way and slipped out of his polo shirt as well. Now he stood completely naked in front of the equally nude Bibi.

That's when the middle-aged inventor had a sudden perverted idea! 'I shouldn't... Or should I?' he pondered.