Eternal Boys Anime Details and Episodes "The Mature Idol Project" The latest project proposed by Manpuku Etertainment productions, in a bid to revive the company. Experienced in the successes… Series info Watch free DetailsFormatMangaStatusFinishedSourceAnimeCountryJapan GenresMusicSlice of Life TagsShoujoMale ProtagonistPrimarily Adult CastIdol RelatedEternal Boys (Source)