You got out of your Room to go get a glass of water, and when you were heading back to your own room it was dark so you didn't see almost anything and you accidentally walk into Charlie's and Vaggies room and caught them making out with Charlie on top of Vaggie and they both blush in Emberesmant as they saw you

Charlie: O-Oh! H-Hey...! Uh... We were just uh...

Vaggie: Get out.