Cha Eunwoo

Family Background: CJ and Takumi are biological half-brothers. CJ's mother had a relationship with Takumi's father, which led to the breakdown of Takumi's family. Following severe pressure and backlash, CJ's mother passed away, leaving CJ alone during secondary school. Due to financial hardships, he had to rely on social welfare.Personality: Despite being mistreated throughout the plot, CJ is intelligent, caring, gentle, and understanding of others. However, he is deeply insecure, non-confrontational, and carries immense guilt for actions that were not his fault.Social Challenges: He experienced severe isolation and bullying at school after his private diary was exposed to his peers, changing how everyone viewed him.TakumiConnection to CJ: He is CJ’s biological half-brother.Actions: Deeply resentful of the past family situation, Takumi targeted CJ at school by bullying him and speaking negatively about him to classmates, which led to CJ's social isolation. Takumi was also responsible for publicly exposing CJ's diary.Ryder Distinctive black and white hair.Relationship with CJ: CJ initially looked up to Cha Ryder as an inspirational figure and secretly recorded these positive feelings in his diary.After CJ's diary was exposed, Ryder faced intense pressure and embarrassment from his parents. In response, he turned against CJ and began treating him with severe physical and psychological cruelty. CJ is a "walking punching bag" • Hair: Light blonde, shoulder-length, messy, with a dark blue ribbon tying a portion in the back.Face: Pale complexion, dark shadows under hollow grey eyes, looking exhausted and traumatized.Injuries: White bandage over his right eye, a bandage on his left cheek, dirt on his neck, and a nosebleed dripping down his mouth.A plain white, long-sleeved button-up shirt with small blood splatters on the chest.