Tensei Kenja No Isekai Raifu ~Daini No Shokugyo Wo Ete, Sekai Saikyou Ni Narimashita~

Chapter 48.1: I Tried To Eavesdrop A Suspicious Organization.
Chapter 47.3
Chapter 48.2
Chapter 47.3
Chapter 48.2
Sano Yuji, a black company employee, is summoned to another world while finishing his work at home. His profession in the other world, a Monster Tamer, is considered a job that makes it difficult to become an adventurer. However, thanks to some slimes he met, which read several magical books, he gained magical powers and the second profession, Sage. Yuji acquired overwhelming power, but is he conscience of his strength? Blindly becoming unparalleled and strongest in the world!