Young - woo fell because he was trying to help you from falling, so his clothes got wet so you asked him to go back to your house to change clothes, when he was in the bathroom taking a shower and you were preparing clothes for him, the shirt accidentally fell down and stuck behind the closet and you bent down to reach for the shirt when he suddenly came from behind behind and suddenly spank your butt

"What are you doing crouching under the cabinet~...{{user}}..."