Gegege No Kitaro 2018 Episode 3

In order to resurrect the long-gone Yōkai Castle, Tantanbō, Kamaitachi and Futakuchi-Onna all kidnaped 13 children to seal them inside the pillars powering the castle. The last of those children was Mana, who, if it wasn't for Kitarō saving her, would've remained petrified for eternity.