Watarasebashi43

Watarasebashi43 (渡良瀬橋43) was an idol group based in Ashikaga, Tochigi. They debuted in February 2014 as a sister group to Otan43 (though they shared the same lineup), both part of 43project. Their catchphrase is "The country of beautiful people has come" (美人の国からやって来た).

From their formation until mid-2017, they were split into the main group, 43, and the kids' trainee unit 43X;.

On March 31, 2019, 43project was dissolved and some of the members were transferred to the newly formed SAKURA MODE PROJECT.

Final Line-up

 * Tenkuubashi Chihiro (天空橋智優) (Original member)
 * Harashima Miu (原島翠海) (Original member)
 * Yuzuki Ramu (夢月らむ) (Original member)
 * Harashima Ruka (原島ルカ) (Joined 2016)

Former Members

 * Akane Serina (赤嶺芹菜) (Original member, graduated July 2014)
 * Hojo Kasumi (北條華澄) (Original member, graduated September 2014)
 * Fuji Akari (藤朱里) (Original member, graduated February 2015)
 * Seno Koharu (瀬野こはる) (Original member, graduated February 2015)
 * Ishikawa Manaka (石川愛果) (Original member, graduated February 2015)
 * Seno Ichika (瀬野いちか) (Original member, graduated March 2015)
 * Kawai Nanase (河合七星) (Original member, graduated March 2015)
 * Ohara Rio (大原りお) (Original member, graduated July 2015)
 * Ando Mei (安達めい) (Original member, graduated December 2015)
 * Aoi Tsukane (蒼井束音) (Original member, graduated December 2016)
 * Otsuka Mika (大塚みか) (Original member, graduated December 2016)
 * Aikawa Himeri (相川ひめり) (Original member, graduated March 2017)
 * Saito Haruna (斉藤春菜) (Original member, graduated January 2018)
 * Saito Natsuna (斉藤夏菜) (Original member, graduated January 2018)
 * Rina☆ (Original member, graduated February 2018)
 * Runa☆ (Original member, graduated February 2018)
 * Hoshina Madoka (星内まどか) (Original member, graduated November 2018)

Former 43X Members

 * Ayu (あゆ) (Original member, left 2015)
 * Koharu (こはる) (Original member, left 2016)
 * Kona (こな) (Original member, left 2016)
 * Ruchia (るちあ) (Original member, left 2016)
 * Rinon (りのん) (Original member, left 2017)
 * Ayasa (あやさ) (Original member, left 2017)
 * Hirona (ひろな) (Original member, left 2017)
 * Yuna (ゆな) (Joined 2015, left 2017)