Lunchbox
lunCHbox (런치박스), born Choi Yong-chan (최용찬) in South Korea, is a South Korean
songwriter and producer under RBW who debuted on June 18, 2019, with the digital
single “Unforgettable” (2019) and later released the studio album Package 1:
Smile (2023) and singles including “Dazzling” (2020), “By Your Side” (2021),
“Flower Jar” (2022), “Bella Noche” (2023), “Hopeless Romantic” (2024), “Spring
Sonnet” (2025), “Lookalike” (2025), and “Lonesome” (2026).
