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

A salaryman named Yuuji Sano is suddenly transported to a fantasy world while dealing with a heavy workload. In this new setting, he discovers and enhances his Monster Tamer abilities, achieving the rare accomplishment of obtaining a second character class. He transitions from office work to adventuring, using his skills to earn a living. Despite his extraordinary power, he remains unaware of just how strong he has become, which leads to his frequent involvement in significant events due to his unmatched abilities.