written by Mihona Fujii. Neither have any relation to this TV series. The Anime series is an adaptation of Frances Hodgson Burnett 's children's novel The Secret Garden .                      Himitsu no Hanazono Cast Shaku Yumiko as Tsukiyama Kayo Sakai Masato as Kataoka Wataru Mayama Akihiro as young Wataru (15) Ikeda Tetsuhiro as