Those faces will keep me awake for days....

They're "Oh (shit) Faces". :D

Pretty sure the intruder would've had the same face...

Ultimate Moodkill!

Option: Ask to join in

By this scene you can tell that before they were rudely interrupted by what can truthfully be said to be a nearly deaf person, they were REALLY into it with each other (the kind of lesbian media I thoroughly recommend). Such passionate lovemaking would have been rather loud, so the person who opened the door did it on purpose.

Good thing it was the wrong room.

If it were someone they knew, there would be no explaining this.

"I slipped and fell on her vagina.... and then my cloths came off."

Who fucks right next to the door like that, anyway?

Danzaiver said:
Who fucks right next to the door like that, anyway?

People who live packed into tiny three-room apartment skyscrapers.

Looks like knocking on doors is a taboo in Hanasaku Universe.