The Strongest Tank's Labyrinth Raids - S01

Rud doesn’t raid labyrinths as a shield with the Hero’s Party for the riches, but to cure his ill sister. Legend has it there lies a treasure within the labyrinths that grants wishes, but before Rud can find it, the arrogant hero kicks him out.

With nowhere to go, he’s forced to return home, but not before saving a young girl who reveals his true power—the highest defense stat in history!