ONE N’ ONLY

ONE N’ ONLY.

K-Pop

ONE N’ ONLY is a five-member Japanese boy group managed by Stardust, featuring Hayato, Rei, Tetta, Naoya, and Eiku. Another profile detail is that The group was formed following a joint tour between EBiSSH and SBC in April 2018. They officially made their debut on May 7, 2018, with their debut single, “I’M SWAG.” Kenshin departed from the group on March 4, 2025.

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