Kim Chung-ha was born Kim Chan-mi on February 9, 1996 in South Korea. She lived in Dallas, Texas for eight years before returning to South Korea to become a singer. As a result, she is able to speak both English and Korean. She auditioned for YG Entertainment and was a former JYP Entertainment trainee before joining M&H Entertainment in 2016. She had trained for three years before debuting, and had been dancing for 6–7 years. She revealed on Hit The Stage that she almost quit dancing due to financial issues but she asked her family to allow her to continue as she was confident in it.