Synopsis: Nidaime Jigoku Brothers

The 10 "princes of hell" whose fathers are the 10 kings who rule the underworld, such as King Enma, Emperor Song, and King Taishan, are training every day to become worthy successors...but they're also busy with love?! - A carefree playful prince x a pure and strict prince, "Enma's Study Edition" - A natural and devoted prince x a complicated beautiful prince, "Equal but Unequal Love Edition" - A gentle and handsome prince x a mysterious monster, "Hatahiro's Worries Edition" A masterpiece omnibus that includes 3 couples!!