ONE N' ONLY

 is a six member group formed by Stardust Promotion. The group is composed by the union of EBiSSH and Satori Boys Club. It was founded when they had their first tour together in April 2018.

They debuted on May 7, 2018 with I'M SWAG.

Vocalists

 * TETTA
 * REI (玲)
 * EIKU (永玖)

Rap&Dancers

 * HAYATO (颯斗)
 * KENSHIN (謙信)
 * NAOYA (直弥)

Former Members

 * Kohki (幸輝) (Left December 2019)

Albums

 * 1) [2020.04.15] ON'O

Singles

 * 1) [2018.11.21] I'M SWAG
 * 2) [2019.05.08] Dark Knight
 * 3) [2019.10.16] Category / My Love

Digital Singles

 * 1) [2020.10.14] JUST LIKE ME
 * 2) [2021.01.20] L.O.C.A

Trivia
Their music videos reached a million views in less than 24 hours and their single Dark Knight placed first on both the Oricon chart and Japan Billboard Top 100.

Their fandom name is Swag.