Ore dake Tsukaeru Kodai Mahou ~Kisosura Tsukaenai to Tsuihousareta Ore no Mahou wa, Jitsu wa 1 Mannen Mae ni Ushinawareta Densetsu Mahou deshita~

Orion, a magician who was expelled from the hero’s party for being unable to even use basic magic, possesses a special power that allows him to wield a form of magic completely different from the modern magic system. One day, he saves a girl named Alice from a monster attack, and after witnessing his extraordinary abilities, Alice begs him to take her on as an apprentice. Despite being bewildered by her sudden insistence, Orion begins a new life with Alice, exploring his unique "power" together. But this marks the beginning of a new journey filled with challenges and discoveries...