Lloyd de Saloum

The seventh prince of the royal family that rules the Kingdom of Saloum. He was reincarnated and grows up with the memories of his previous life as a sorcerer. Although hes only ten years old he has an enormous amount of sorcery knowledge and possesses mana that even terrifies demons. Hes not interested in things such as succession to the throne girls or romance. Instead his activities and desires are all focused on the research of his beloved sorcery and its practice. Source: I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability Official Site