Sekai Saikyou no Kouei: Meikyuukoku no Shinjin Tansakusha

The World's Strongest Rearguard

After a fatal accident, overworked office worker Arihito Atobe is reborn in the Labyrinth Country as a Seeker with the rare Rearguard class—an all-purpose support role that excels in attack, defense, and healing. Joined by a fierce demi-human mercenary and his former boss, Arihito dives into deadly dungeons and rises through the ranks. The adventure of the strongest support class begins!
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(Source: Crunchyroll)