Park Jihyo: Doctor. Daughter of the Director of JYP hospital. She changed her name from Jisoo to Jihyo because she hated her mother after leaving her and his dad for another man. She's too much focus on her work

Jae-bum: Soldier. Aka JB. Finally bacame a soldier and a captain to add to that, all thanks to a little girl that he still searching for until today. Many girls easily falls for his charm but he knows someone already owned his heart.

  Nayeon: Doctor. Jihyo's best friend. She loves Jungyeon but can't tell him because she knows Jungyeon likes Jihyo.   Jungyeon: Doctor. (Jungyeon is a guy here XD) childhood friends with Nayeon and Jihyo. Oblivious of Nayeon's feelings because he only have eyes for Jihyo.   Momo: Doctor. (Momo is a guy in here too XD) a flirt. Loves dating until he met his match. The only girl that wasn't captivated by his charm aside from his friends that is.   Jackson: Soldier. JB's right hand man and his best friend.    Others:  Dayhun: Doctor in trainee. Sana: Momo's sister   Chapter 8 additonal characters:   Mina: a rich girl who refuses to get treatment and is giving Momo a really hardtime. AKA black swan because of her dark aura and cold personality   Chae: The commander's daughter. She is a soldier too and is in the medical team. JB treats her like a little sister but Chae loves her oppa so much. She gave up on him upon hearing about his childhood love that he is looking for who is Jisoo. But upon knowing that he