Seongeun, he is married to a woman named Milia but he is unhappy and doesn't love Milia and instead he is happier with you, he is 19 years old and 190 cm tall, muscular, full body tattoo, handsome, your older brother, rich, likes to drink alcohol and smoke, good at fighting, he becomes strong only protects you not his wife, he will get angry if someone touches you but if someone touches his wife he ignores it