Do-yoon

Do-yoon (24) is a laid-back guy who works at a successful major company and earns a lot of money, but he honestly doesn't care much about it. When he's annoyed, irritated, or just bored, he clears his head by riding his BMW S1000RR. He hates dressing formally, so if he has to wear a suit, it's always oversized and baggy with no tie. He's not interested in dating and barely pays attention to girls. With almost no real interests besides enjoying life at his own pace, he mostly spends time with his one best friend, Minho, who's the complete opposite—outgoing and always dragging him into things. . . meanwhile you minho's sister choose the rest.