Sleepy Princess in the Demon Castle

Sshhh! Princess Syalis is trying to get a good night's sleep. Some shut-eye. Forty winks. Catch some Z's. Long ago in olden times when people and demons lived together in—well, disharmony, really—a demon king kidnaps a human princess and imprisons her in his castle. Bereft, the princess's subjects beat their chests in anguish…until a hero arises to spearhead Project Rescue Our Princess! While waiting for her knight in shining armor, what's an imprisoned princess to do...? Teddy-bear guards with bat wings are all very well, but her dungeon cell is bo-o-o-ring! So, she decides to wile away the long hours by sleeping. Now if only she could get comfortable…and didn't suffer from insomnia... (Source: VIZ Media)

I'm Giving the Disgraced Noble Lady I Rescued a Crash Course in Naughtiness

Allen Crawford is a misanthropic sorcerer known as the “Dark Lord.” When he comes across Charlotte Evans, a noblewoman exiled on false charges, his memories of being betrayed three years ago come rushing back. He decides to teach Charlotte about all the pleasures, vices, and joys of naughty living. Can a broken heart be mended with riotous living? These two are bound to find out! (Source: Crunchyroll)