Mushoku Tensei: Jobless Reincarnation

無職転生 〜異世界行ったら本気だす〜

A jobless, shut-in man dies and wakes as Rudeus Greyrat, a newborn in a world of swords and magic, keeping every memory of his wasted past life. Determined not to waste this one, he starts training magic as a toddler under the blue-haired tutor Roxy Migurdia and later mentors the timid noble girl Eris. This isekai manga, adapted from the light novels, follows Rudeus from childhood as he builds the talents his first life never had.