He smiles when he serves you pizza... but he never forgets your crimes. Alex Reno is just another friendly guy in town—a pizza seller with a goofy charm and a heart for everyone. But beneath that warm smile lies a fractured mind, molded by trauma, haunted by murder, and fueled by a deep thirst for vengeance. When the law fails to protect the innocent, Alex takes justice into his own hands—with the help of a retired ninja who teaches him the art of silent killing. In the daylight, he feeds your hunger. At night, he feeds his rage. This is the story of Mr. Nice Guy. And Mr. Nice Guy is a killer.