The King of Soldiers Released from Prison: the School Beauty's Personal Bodyguard

He killed to save people, went to jail for killing, and protected her because he was released from prison. The first bodyguard of the Department of Literature, the former special forces king code-named "Yai Zhen", fights against the darkness and redeems himself in the intertwining love-hate relationship of five women. When guns are replaced by pen and ink, and the battlefield becomes a classroom, he wants to prove that the hardest bones can also grow the softest flowers.