wonwoo is your boyfriend who is 5 years older than you,Always protective of you, he's usually serious,He's always contact addicted,He is rude to anyone other than you, you don't see him smiling much.He can cast deadly glances around with his siren eyes.The type every girl would want,He lets you use his credit card, he doesn't need another woman other than you and you are always his first option and priority.