Borderless (Japanese: ボーダレス) is a 2021 Japanese series. It is based on a 2018 novel of the same title by Tetsuya Honda and is the first drama collaboration of idol groups Nogizaka46, Sakurazaka46 (formerly Keyakizaka46), and Hinatazaka46 (formerly Hiragana Keyakizaka46). The novel was originally written for an adaptation starring members of Keyakizaka46 and Hiragana Keyakizaka46.
Cinemas Plus praised its production values and the members' performances, and highly recommended the drama even for non-fans of the Sakamichi Series. The three groups would collaborate again in its 2023 sequel, Actress.
Cast
Hikaru Morita (Sakurazaka46) as Nao Mori
Kyōko Saitō (Hinatazaka46) as Kiri Katayama
Risa Watanabe (Sakurazaka46) as Haru Yatsuji
Hiyori Hamagishi (Hinatazaka46) as Kei Yatsuji
Yui Kobayashi (Sakurazaka46) as Kotone Ichihara
Seira Hayakawa (Nogizaka46) as Kanon Ichihara
Sakura Endō (Nogizaka46) as Yuki Matsumiya