The Strongest Tank's Labyrinth Raids -A Tank with a Rare 9999 Resistance Skill Got Kicked from the Hero's Party-

"Protect what matters."

Rud, an adventurer with the highest defence ever recorded, serves as a tank while exploring dangerous labyrinths in search of a treasure capable of curing his ailing sister. After being unjustly expelled from the Hero’s Party, he discovers the true nature of his hidden abilities and begins forging a new path alongside the companions who recognise his strength and selfless determination.