Shinpi no Ko - Majutsu ga Tsukaenai Ochikobore, Suuhijutsu de Nariagaru

On the day of his graduation, high school student Raku Nanairo is caught in an accident along with his entire class, and reincarnates into another world as 'Luluk,' the sixth son of a duke. He thought he was in for an easy second life, but what actually awaited him was daily abuse from his family due to his inability to use magic.

Desperate to become independent and leave home as soon as possible, Luluk one day realizes he possesses the ultimate cheat skill: 'Numerology,' which grants him various powers like healing and summoning. This skill will drastically change his destiny...