Tensei Kizoku, Kantei Skill de Nariagaru

An ordinary salaryman dies one day and is reborn as Ars Louvent, the son of a noble. Although he isn’t talented in magic or swordplay, he does have one skill that no one else possesses: Appraisal. Using this ability, Ars can determine a person’s current strength, how much potential they hold, and where their talents rest. This skill is