Hachi-nan tte, Sore wa Nai deshou!

A 25-year-old office worker named Ichinomiya Shingo wakes up to find himself in the body of a six-year-old boy named Wendelin Von Benno Baumeister. The boy is the youngest member of a struggling noble family in a remote region. Wendelin lacks the ability to manage the family's large estate effectively. He possesses a rare magical talent, which could help his family, but instead leads to misfortune. Shingo now navigates this new life with the boy's memories and experiences.