One on One (일대일) 9 years old

On May 9th, a female high school student was brutally murdered. There are 7 suspects and 7 shadows that terrorize them. Who are they and which one of them is you?

Credits

One on One Cast

Name	Character
Ma Dong-seok He was 43, now 53 years old	as a Leader of Shadow
Kim Young-Min He was 26, now 36 years old	as Oh Hyun
Ahn Ji-hye She was 27, now 37 years old	as Shadow 4

One on One Crew

Name	Department