Nina had it rough. That is, until she was picked up by a prince for resembling a dead priestess. Could this be a lucky break, or a new kind of curse?

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.