Kashiwagi Haru or better known by his stage name, HARU is a member of Choutokkyuu. He joined the group on August 8, 2022. He's also a former member of TEAM M! & TEAM A. In 2018, he went to Tokyo on a trip and got scouted there by STARDUST PROMOTION. He joined the entertainment industry and become part of EBiDAN FUKUOKA. In 2019, he was active as part of BATTLE BOYS FUKUOKA. In July 2021, he became part of TEAM M! from EBiDAN NEXT. In March 2022, he was selected as a part of EBiDAN NEXT new project TEAM A. On August 8, 2022, it was announced he became one of the new members of Choutokkyu as a main dancer.

日本男演员、舞者，唱跳团体超特急成员，隶属于Stardust Promotion制作三部。

柏木悠（日語：柏木 悠／かしわぎ はる Kashiwagi Haru，2005年3月31日—）是日本演員、舞者。出生於熊本縣。隸屬於星塵傳播新人部。音樂團體超特急的成員，擔任主舞者，團體內代表顏色為橙色。團體活動時使用另一個藝名HARU。