Tells a story about a retired killer named Bang Ui Gang who gets swept up in a case while using violence to protect an adolescent girl he suddenly becomes in charge of.Kim Yun Ji is an ordinary high school student, but she has a lot of hidden scars because she has no one she can depend on. After her unexpected meeting with Bang Ui Gang, she will heal some of her inner pain.
- Other name: 더 킬러: 죽어도 되는 아이,죽어도 되는 아이,Jugeodo Doeneun Ai,Deo Killeo: Jugeodo Doeneun Ai,Deo Killeo: Jukeodo Doineun Ai,The Killer: Jookeodo Dweneun Ai,The Killer,The Child Who Deserves to Die,The Child Who Can Die,A Child Who Can Die,The Killer: A Child Who Can Die,T
- Genre: Action, Novel
- Status: Upcoming
- Duration: N/A min
- Country: South Korea
- Network: N/A
