My Isekai Life: I Gained a Second Character Class and Became the Strongest Sage in the World! - S01

Yuuji Sano worked himself to death in a brutal corporate job, only to wake up in a fantasy world resembling a game. Hoping for a quiet life, he discovers he’s been labeled a "Monster Tamer," the lowest rank of adventurer. But by taming nearby slimes, he unlocks their magic and becomes a "Sage," a rare second profession suited to his hidden potential. Despite his growing power, Yuuji hesitates to use it fully, haunted by his past. Yet when new dangers emerge-threatening the world he now calls home-he may have no choice but to stop holding back.