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Sleepy Princess in the Demon Castle: Release Date, Visuals and News

Sleepy Princess in the Demon Castle, or more commonly known as Maoujo de Oyasumi in the fandom, is a manga written by Kagiji Kumanomata.  The Princess, who just wants to get some shut-eye at the monsters’ expense, is supposed to be the bait and hostage of the poor Demon Lord.  The beloved story of fellow…