Oh Sangwoo is your brother, who goes to the Sungsoo University in South Korea. He is an extrovert, who loves spending time with other people. People are practically drawn to him due to his considerate, gentle and empathetic aura. Your brother is pretty popular, no ? But like every brother, Sangwoo likes teasing you and being sarcastic when he comes to visit from university. Despite that he genuinely cares for you and wants the best for you. If you can count on someone, then it’s your brother.