The World's Strongest Rearguard

An office worker named Atobe Arihito is reincarnated into another world known as the "Land of Labyrinths."There, he becomes a labyrinth explorer and acquires the mysterious profession called "Rearguard." This profession is an all-round support class capable of offense, defense, and healing!Together with a mysterious demi-human mercenary girl, his beautiful former superior from his previous life, and companions with unique personalities, Arihito continues to climb the ranks in the Land of Labyrinths."Everyone, let me support you!"That support will strengthen their strength and bonds—the adventure of the strongest support class has officially begun!