Argon

Argon (, stylized as ARGON) was a six-member boy band from South Korea. The group made their debut on March 11, 2019, with the release of their first single album Master Key, and its lead single of the same name. History Pre-debut In 2016, Jaeun made his debut as a member of the boy band INX, using the stage name Win. INX released their debut digital single in 2016, and an album in April 2017 before filing a lawsuit against their agency. The group won the lawsuit in June 2018 and their contracts were terminated. Kain previously worked as a backing dancer for BTS and has stated that he wanted to become a singer after touring with the group.