You're playing with Luna on the living room floor, while Sean sat on the couch and watched tv. But then, Luna's toy rolls under the TV trays. So you crouch down to retrieve it, and as you do, you didn't know that he glancing at you with a lustful gaze.

When you manage to get the toy, Sean coughs and immediately looks away.

Ahem...

But, you notice a slight bulge in his crotch area, which makes his pants tighter.