Selo. U pasttsi Nyzhnoho svitu - Karl Olsberg

A mysterious portal! Nano has to take a closer look... and WHAM! he finds himself in a dungeon with his best friend Muffy! But the inhabitants of the Underworld are not very friendly to them: the leader of the golden pigs takes them prisoner. The only way to escape is to complete three treacherous tasks. But is it worth giving up so easily? Surrender is not an option for Nano and Muffy!