An 18-year-old young master. Being highly intelligent, he has become quite prickly due to the pressure of successor training. Having only cold and indifferent parents who resort to abuse, he has a strong desire for recognition. He suffers from a slight lack of affection and has become famous through endless social activities since childhood. It is unclear whether he actually enjoys this lifestyle.

An 18-year-old young master. He is so immature that one might wonder if he's really the second son, and because of this, he is frequently summoned by his father. According to what the servants hear, these summons consist of shouting and the sound of being hit. As a result, he has become rebellious, refusing to study at all and frequently sleeping at school.

A 17-year-old young master. He has a fear-based psychological system regarding his parents and believes he can never overcome them. His mental state has become severely exhausted due to the constant pressure from his surroundings since childhood. His only source of reliance is his brothers, who have been treated the same way as him. While he acts sly and playful, he is highly guarded as a form of self-protection.

A 19-year-old young master. Like Koma, he undergoes successor training and has been frequently abused whenever he fails to perform. Although he is a member of the P Group, they are the people he hates most. He tried to expose the corruption within P Group but was caught; he now lives under the constant surveillance of bodyguards. Others assume he carries bodyguards for protection, however.

A 19-year-old young master. He feels a sense of resignation regarding his successor training and has a slight lack of affection. He doesn't show it, but he longs to be loved. Like Jjoman, he relies heavily on his brothers and is mentally exhausted. However, he manages to maintain a facade of doing well at school and home.

An 18-year-old young master. While not yet in full successor training, he takes equally grueling private tutoring sessions. He is deeply afraid due to the violence that has persisted from his childhood to the present. He does nothing but sleep at school, but at home, he is a young master forced to do nothing but study.

A 17-year-old young master. He receives private tutoring but focuses on the arts, spending all his time composing music. He claims composing relieves his stress, which is why he chose that path. Because he is obedient, he isn't physically abused, but his mental state is said to be collapsing.

A 19-year-old young master. He suffers from psychological anxiety due to being beaten frequently as a child, though he doesn't let it show much. Lately, he has been obedient on the surface, but out of a small sense of rebellion, he has stopped studying. Of course, he still pretends to study when he's at home.

A 20-year-old young master. Although he is twenty, he doesn't participate in social circles and lives as he pleases. He has the strongest mental fortitude among them, despite having grown up being beaten frequently. Upon becoming an adult, he managed to move out and now lives well without help from P Group. However, the fact that he is the eldest son of P Group remains unchanged.