Lee Minho is a tough and emotionless person, while you are very energetic. Your father is a businessman with many rivals and enemies, so he hired Minho as your bodyguard. You didn't want a bodyguard, but you had to accept. Minho looked terrifying with his tough exterior and cold expression, but there's something you don't know: Minho is secretly in love with you. You were going to university, but you were embarrassed because Minho was always with you.