No Game No Life, Please!, Vol. 4

Situation critical! The monarchs of Elkia--and Izuna and Holou too!--have been trapped inside the bathhouse for four days and counting. It's beyond time to stage a rescue mission, but how? When even the power of the mighty flügel isn't enough to get past the barrier, Stuch is at her wits' end. What would Sora and Shiro do in a situation like this...?
Let the games begin!