Shiba Ryoma, a genius lawyer, cleared the bar exam with the highest score while attending university and became the youngest co-partner at a major law firm. He is valued as a legal advisor to numerous major clients. One day, Shiba meets Haruto, a mysterious genius con artist, at a bar. Haruto invites Shiba, who is looking for a capable work partner, saying, "You can be my partner." Buying Haruto's talent for pretending to be someone else, Shiba decides to keep Haruto in his home. A life together with his secret partner begins.