UNCHILD (언차일드) is a girl-group under HighUp Entertaintmennt and the group consists of six members: Yeeun, Heekie, Tina, Ako, Evon, Haeun. They debuted on April 21, 2026 with their first single "We Are UNCHILD". With their single they released 2 songs, "UNCHILD" and "ENERGY", they recieved a lot of love for the freshness of their songs! They were first teased on January 9, 2024 as "HighUp Baby".

‘UNCHILD’ is derived from the prefix ‘UN-‘, which stands in contrast to what is considered ordinary, rather than fitting themselves into predefined standards or norms, the group embraces individuality that may feel unfamiliar or unconventional, expressing it as their own unique energy.

Their fandom name is CHACHA (차차). It was revealed on April 21, 2026, on their debut day. CHACHA are "Without rushing, without stopping, the closest beings who share every step with UNCHILD. Walking side by side at the same rhythm as UNCHILD, being companions through every moment of growth."