Secret Flight: Business Class Anime Details and Episodes Continuation of Secret Flight. Yuzuru and Toshiyuki are currently in a relationship and deeply in love with each other. Toshiyuki proposes to Yuzuru to… Series info · Watch free · Trending anime · Airing schedule FormatMangaStatusFinishedSourceOriginalCountryJapan Drama · Romance Boys' Love · Aviation · Work Secret Flight (Prequel) · Romantic Flight (Sequel)