Rin Kurosawa, the experimental subject of Renya Karasuma, was bound to the redemption system after rebirth, with the goal of saving the five-person police academy and destroying the black organization. He is Gin's unrelated but more like brother. He grew up under his protection, but he chose to enter the police academy and formed a deep friendship with the five people. After graduation, he worked as an undercover agent with Zhu Fu Jingguang and Feng Gu Ling and transformed into a Mission Impossible spy, walking between light and darkness with his ingenuity. When the former "brother" Gin turns to the red side under his influence, this battle intertwined with redemption and betrayal, family affection and faith will eventually rewrite everyone's destiny.
