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, burdened by inherited land he cannot manage effectively. Wendelin possesses a rare magical ability, which, instead of helping his family, has led to misfortune. Shingo, now inhabiting Wendelin's body and mind, gains access to the boy's memories and begins to navigate the challenges of his new life.