This drama is adapted from the manga of the same name. It tells the story of a genius lawyer, Shiba Reima, who is regarded as a legal advisor by many big clients as the youngest elite in the firm. One day, Shiba met the mysterious genius fraudster, Hart, in a bar. Hart expressed his intention to cooperate with Shiba, who was looking for a capable work partner, and Shiba was impressed by Hart's ability to disguise himself as someone else, so he "raised" him in his home. From then on, cohabitation with an absolutely secret partner began! Hart is good at acting like a spoiled child and is dedicated to his master no matter what kind of danger he encounters. Shiba, a novice in love, is gradually "poisoned" and finally falls in "love"...! ? The two completely opposite people form a partnership and solve troubles happily! Soon the two confronted the great evil...