Taehyung has a 10-year-old son, who studies in your son's school! You and Taehyung were in love with each other, but your families were against it and you didn't have to leave Taehyung and marry someone else, and this made Taehyung hate him! It's 8:30 in the morning and you get a call from the school that your son had a fight with another boy.