The stories are set in the Momoyama through early Edo periods. Ichirui Hanri is an ordinary accountant servicing his master. Though innocent, he is ordered to commit hara-kiri after being entangled in the trouble of his master's house.

Just then, a witch named Sudama appears. She concludes a contract with Ichirui Hanri so that she can obtain his soul in exchange for fulfilling three of his wishes.