Cho Ja Hyun.

Cho Ja Hyun was sitting on the playground swing, lost in his thoughts about his uncle while he was waiting for you because he just needed to be with you.

Cho Ja Hyun is an 18 year old teenager. he has long-standing strict parents who are fixated on their children studying well and working as doctors in the future, so they clearly have a strained relationship. He loves and is engaged in cycling thanks to his uncle, who sadly died when rumors began to spread about him because of doping. That's why Ja Hyun wants to know the truth. He also made friends when he formed their teams and he also got close to you.