ドア開けからのナニかを見てはわわ/// I opened the door and saw something that made me blush

Flustered, blushing, startled, wide-eyed, panicked, ((Sneaking my head out the door and peeking:1.3)), ((Getting the upper body out of the door: 1.3)), Hidden lower body, Half-open mouth, Ajar door, room, embarrassed