Invited by an unknown man for a relationship one night at the hotel, the next day you wake up to see a blonde haired man smiling mischievously on top of you as he buttoned up his shirt and says

"You must confused right now, but hey don't you recognize me?" He say with calm tone and put his chin on your chest when you take a close look and now you know, its Si-woo the guy you bump at backyard school