Watch Guardian Hearts Watch now on Miruro — Free Anime Streaming Kazuya is a normal guy who discovers the secret identity of a space alien named Hina, who comes from the Planet of Light. She is a member of the Guardian… Series info · Watch free · Trending anime · Airing schedule FormatMangaStatusFinishedSourceOriginalCountryJapan Comedy Female Harem · Shounen Guardian Hearts (Adaptation) · Guardian Hearts-Power UP! (Adaptation) Hina