Alexander Eiyuu Senki: Saikyou no Tsuchi Majutsushi

In a world where people are given several skills as a blessing from God when they turn 10, the eldest son of the Desemann family, Alec, was only able to acquire one unpopular skill, earth magic - even though everyone in the family is amazing!! But this is only the beginning of his journey to become the greatest earth magician that ever lived!