As a child, Kimichika was mesmerized by his grandfather's magnificent android named Dill. However, when his grandfather passed away, Dill's ownership was transferred to Kimichika's cousin, Taneatsu. Fueled by a desire to gain possession of Dill, Kimichika struck a deal with Taneatsu, vowing to fulfill all of his wishes. Consequently, this arrangement creates a complex dynamic amongst the trio.