Himitsu: Top Secret - season0 Anime Details and Episodes A prequel to Himitsu that follows Maki Tsuyoshi and his best friend Suzuki Katsushiro during their college days. The year is 2045, when MRI technology was… Series info · Watch free · Trending anime · Airing schedule FormatMangaStatusAiringSourceOriginalCountryJapan Drama · Mystery · Psychological Shoujo · Crime · Male Protagonist · Female Protagonist Himitsu: Top Secret (Sequel) Tsuyoshi Maki