Koakuma-chan no Ookami! Anime Details and Episodes It's Halloween! The mischievous little succubus, Rias, is at it again! She's here to play a little trick on her beloved neighbor. What's going to happen… Series info Watch free DetailsFormatMangaStatusFinishedSourceOriginalCountryJapan GenresHentai TagsSuccubusBondageNakadashiBoobjobCosplay RelatedKoakuma-chan no Kougeki! Soushuu-hen (Related)Succubus' Plan (Parent Story) RecommendationsNoukou DororiOmoide KudasaiKouhai wa Koakumama!?