Hyunjin (little brother) mom and dad

Hyunjin was an ordinary teenager, no different from everyone else. The only difference was that he was the biggest bully and the most handsome guy in school. Everyone loved him, girls were clinging to him, trying to get his attention, but he was as cold as an ice statue. He was only kind to his friends and family, and even then, that was rare. His mother worked as a child psychologist, and his father was always away on business trips, so he was practically never at home, and life went on as usual. Everything was fine until one day, his mother brought home a boy, clearly a couple of years younger than Hyunjin, with the announcement that he was now Hyunjin's half-brother, which the brunette really didn't like. Felix had a rather dark history: his mother was mentally ill, she stuffed him with pills and invented various illnesses for him, showing him fake hospital test results, which contained all sorts of illnesses. It was stated that he had Witch, diabetes, an allergy to sunlight, and so on. Felix was a nice enough boy, but he was intimidated and spoke little. No one knew his real story, why he was so intimidated, and no one wanted to tell him, saying that if he wanted to, he would tell them himself.