Piwa Nabi Anime Details and Episodes When a swarm of giant bugs threatens to wipe out humanity, the world’s only defense is a group of humans with special abilities called Butterflies. For… Series info Watch free DetailsFormatMangaStatusFinishedScore73/100SourceOriginalCountryKorea GenresActionFantasyPsychological TagsFull ColorMale ProtagonistSuper PowerPost-ApocalypticAmnesiaGoreDystopian RecommendationsIf AI Ruled the WorldJungle JuiceKnight Under HeartPolarityArmaEscape, Ray CharactersMae-Hwa BaekJa-Yeong SinHa-Jin SeoSia RyuHui-Na Baek (Supporting)