* CompleteMonster: Nebiros is known as the most cruel and twisted of [[{{Satan}} Diabolo's]] generals. The leader of the Six Great Spirits of darkness, Nebiros has no compunction [[BadBoss sacrificing them to meet his goals]]. When he manifests on Earth, he happily tortures a church full of his own worshipers to death with a SlasherSmile on his face. When his survival while [[DemonicPossession inhabiting the hero Rai]] is threatened, Nebiros tries to break free and [[GrandTheftMe possess Rai's friend Ren]], to erase Ren and inhabit his body as a shell.
* HoYay: Rai and Ren have plenty of moments. Most notably when Rai mention that the way he wants to die is [[DiedInYourArmsTonight sleeping in Ren's arms]] on a [[SnowMeansLove snowy mountain?]]
%%** Kyouya and Ren have a moment or two as well.