Manga Tensei Kenja no Isekai Raifu ~Daini no Shokugyo wo Ete, Sekai Saikyou ni Narimashita~

Sano Yuji was a black company employee who was summoned to a parallel world when he was finishing household chores. In the afterlife, he became a Monster Tamer, which prevented him from becoming adventurers. However, thanks to his useful acquaintances, he acquires useful magical powers and the profession of a sage. He has tremendous power, but is he aware of it?