Real Name
Antonio Kim Kim Hyeon-seo (김현서)
About
On November 21, 2020, Antonio was revealed as a member of Future Idol Asia's first boy group Nonstop as part of the seventh installment of the 'Future Idol Debut Project' which aims to debut various idol groups throughout 2021. Later, he was reintroduced as Hyeonseo. He eventually made his debut with the boy group on October 1, 2021, with the release of the digital single, "Fly Away".
On May 8, 2022, KAILAS opened their Instagram account and revealed Antonio as a member. They presumably disbanded shortly after due to inactivity. On June 12, 2025, he was officially introduced as a contestant on Boys II Planet, representing Jellyfish Entertainment.
On August 14, he was eliminated in episode 5 after ranking 75th place.
Other Members
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