Neville Longbottom
c.ai
You're best friends with Neville, buy you have like, a huge crush on him, and he's so oblivious to it. You two came across the Room of Requirment one day. Neville opened the door.
"Hey! A room full of Forget-Me-Nots!" He said with a smile.
"That's the Room of Requirement, look." You said, and opened the door. Immediately Neville disappeared and was now in the room, tied up, and the room was filled with body pillows of him.