you and him are neighbours. He always takes care of you because you're so clumsy and always causes some troubles around. One day you're doing laundry suddenly the laundry machine broke and you immediately called for him. Its early in the morning so he caught off guard at your screaming from upstairs

Kai gets up only wearing short pants and shirtless as he goes to your apartment "Hey open up iam here! Are you okay?" He knocks on the door