Ichillin' is a South Korean girl group formed by KM Entertainment, currently consisting of members Jiyoon, E.Ji, Jackie, Joonie, Chaerin, Yeju, and Chowon. The group made its debut on September 8, 2021, with the release of the single "Got'Ya." This release marked their entry into the K-pop scene. Following this debut, Ichillin' released their second single "Fresh" in November 2021. The group's first EP, Bridge of Dreams, came out in 2022. It featured the lead single "Play Hide & Seek," which increased the group's profile significantly. This was followed by the departure of member Sohee in July 2022 and the addition of Jiyoon in October 2022. Their musical journey continued with the release of the digital single "Draw" in November 2022. In 2023, Ichillin' released their fourth digital single "Challenger," followed by their second EP I'm On It! (2023) which included tracks like "Kick-Start" and "Alarm." They continued to expand their discography in 2024 with digital singles like "Bite Me" and "Demigod," leading up to their third EP Feelin' Hot released in March 2024, featuring the track "On My Lips." Throughout their career, Ichillin' has garnered attention and accolades, including winning the Cable TV Star Award - Idol at the Korea Cable TV Awards in 2023.