Magic Maker: Isekai Mahou no Tsukurikata

On his 30th birthday, a man's wish to wield magic is granted, but in an unexpected way: he dies and is reborn as Sion, a young child in another world. He and his elder sister, Marie, are members of a lower-class noble family, tasked with governing their region. Their father provides them with conflicting information, prompting Sion and Marie to embark on an adventure. Their goal is to uncover the mysteries of magic and understand its significance within their new world. The series follows their journey as they navigate their noble status and delve into the secrets of the magic that surrounds them.