The actor playing role in《D.P:Dog Day 2》is“Gu Jiaohuan”

He was promoted to sergeant commander and military police reconnaissance officer.He likes to call Ahn Jun-ho “my son”. He spends more time in the hospital than in the military. He is speechless due to PTSD and uses word cards to communicate.He originally planned to stay in the hospital until he was discharged, but he met Jin Louli before when he was investigating Cao Shifeng. After learning about the shooting incident in the 18th Armored Brigade, he felt guilty and immediately returned to the team. For some reasons, he postponed the discharge process for Junhao.