ONE N' ONLY

  • Pre-debut:


    ONE N' ONLY was originaly formed as project with the members of the two groups EBBiSH and Satori Boys Club under Stardust Records and EBiDAN. The group was at first only planned to be a one single-project with their song "I'M SWAG", but soon gained a lot popularity in Japan.


    Besides this, member Naoya is the younger brother of Takuya from the boygroup BULLET TRAIN.


    Debut and after:


    Trought the popularity of their first single their agency than decided to debut the members of both groups as ONE N' ONLY on August 19th, 2018 but due to the release date of their first single a lot people think their actual debut date would be May 7th, 2018.


    In December 2019 member Koki had announced to leave the group.


    On January 21st, 2020 it was officialy announced that due to the activities of the group their previous groups EBBiSH and Satori Boys Club got dissolved.


    Besides their work as musician the member are also heavly active on their group's TikTok-account wich gaint over 1.5 million follower


    Sawamura Rei (沢村玲)

    Born: January 2nd, 1997
    Height: 1,77m
    Position: Main Vocal
    Seki Tetta (関哲汰)

    Born: November 24th, 1997
    Height: 1,69m
    Position: Lead Vocal
    Kusakawa Naoya (草川直弥)

    Born: April 6th, 1998
    Height: 1,75m
    Position: Sub-Vocal, Sub-Rapper
    Kamimura Kenshin (上村謙信)

    Born: July, 8th, 1999
    Height: 1,78m
    Position: Rapper
    Takao Hayato (高尾颯斗)

    Born: September 17th, 1999
    Height: 1,76m
    Position: Main Rapper
    Yamashita Eiku (山下永玖)

    Born: December 19th, 1999
    Height: 1,69m
    Position: Main Vocal


    Former member:


    Hayashi Kōki (林幸輝)

    Born: January 15th, 1999
    Height: 1,80m
    Position: Sub-Vocal, Sub-Rapper

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