Sleepy Princess in the Demon Castle, Vol. 15: Volume 15

A captured princess just wants a good nights sleep! Shhh Kidnapped by the Demon King and imprisoned in his castle, Princess Syalis isbored. The sun shines on the Demon Castlebut its supposed to be perpetual night in the demon world! Then ZeusPoseidon and Hades little brotherjoins the Demon Castle staff. Everyone is in awe of him except the princess, who quickly finds ways to use the most powerful of the mythological gods to help her achieve her personal goalssleeping better and opening a cat cafe. Then, in a stunning reversal of fortune, an important castle resident is taken hostage! Will Syalis help or hinder the rescue teams efforts?