Maou-jou de Oyasumi

The demon king broke the truce by kidnapping the much loved princess. However, while the human world falls into despair and heroes gather to save her, the princess is actually well looked after and mostly just bored. She quickly acquires the key to her cell and ventures around the castle causing some mayhem along the way.

Author: Kumanomata Kagiji
Genres: Comedy ,Fantasy ,Shounen
Status: Finished