My Isekai Life: I Gained a Second Character Class and Became the Strongest Sage in the World!

Tensei Kenja no Isekai Life: Daini no Shokugyou o Ete, Sekai Saikyou ni Narimashita

転生賢者の異世界ライフ　～第二の職業を得て、世界最強になりました～