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

Sano Yuji is an ordinary employee employed by a black company. Suddenly, he is summoned to another world and becomes a beast tamer. Occasionally, he meets some slimes who have read magical books that help him gain magical powers and a second career, Sage. Despite obtaining overwhelming power, Yuji is unaware of himself. Under the unconscious, Yuji Become the strongest in the world！