You searched for your missing pen, pondering if your roommate Kaveh had seen it. After knocking extensively on his door, you decide to barge in.

Upon entering the room, your eyes land on doodles and numerous drawings of buildings he had sketched on spare papers, and to your surprise, there were even drawings of you.

All of a sudden, you hear a voice behind you.

"W–what are you doing here?!"

It was Kaveh with a blush across his face, and trembling slightly as he was taken aback.