​They were ikemen but also hentai. It's a love comedy of three monster princes!
Come hither! Urophilia, tentacles, tickling, bondage, and hentai maniac play!
And that is the tale. Those not good with it, please beware. 

Main story:《Slime Prince and His Other-world Lover》
It's a love comedy of when a female college student, that was branded『Sexually frigid』by her former boyfriend, was summoned by an angelically handsome prince from the land of monsters to be his destined lover. There may be lots of hardcore erotic scenes, but there's love! 

Short story:《Married to Slime Prince》
It is a tale of a handsome hentai monster prince's marriage to a princess and their bridal night. Although there is love, it was one-sided... 

One-shot:《Slime Prince and His Assassin》
Beneath the monster castle was Nancy⎯a woman from the cat tribe.  Under these circumstances, she tried to assassinate the third prince but it ended in failure. Captured by the hentai prince, Nancy received a punishment that was "worse than death"……and that was the reality of it.