Ikeuchi Tanuma

One day, the Demon Queen saves Haru, a young human boy about to be sold as a slave, and takes him back to be her attendant. Some years later, the bored demon queen asks our now fully grown and handsome Haru what else she has left to do. "Marriage," Haru replies. Thus, a heart-pounding romcom between an innocent demon queen and her servant unfolds.

The demon queen quite by chance saves Haru, a young human boy about to be sold as a slave, and takes him back to be her attendant. Some years later, a bored demon queen asks our now fully grown and handsome Haru what else she has left to do. "Marriage", Haru replies. A heart-pounding love comedy between an innocent demon queen and her servant.

The great demon Almadiel has revived into the modern world, but finds herself trapped in the body of a helpless little girl due to a collar's seal. Somehow, she ends up freeloading off of a priest named Shuuto, but it seems like he fully intends on making Alma his toy… This love(?) comedy 4-koma about a useless demon and a very sadistic priest starts now! (sc: Baka-Updates)

The unrequited love comedy between a serious disciplinary committee member x the school's most beautiful girl. Light Novel: Shogakuan link