Succubus Prison

In the year 137 of the Dark Calendar, a human hero and a succubus queen established the Aetheran Empire through a marriage that shook the continent.There is only one ironclad rule on this land: those who harm allies shall be imprisoned forever.The wheels of time keep turning forward, and those villainous succubi who live in the past, still treat humans as food, and indulge their desires without restraint deserve to be thrown into prison.And so begins the scandalous story of our protagonist, El, the only male prison guard in the succubus prison.