Haeyoon was previously introduced as one of the female trainees to represent FNC Entertainment on the Mnet survival show, Produce 48. She finished in 19th place and hence did not become a member of the produced girl group, IZ*ONE. Bora previously was trainee at Music K Entertainment. Both her and fellow member Yuju appeared in BTS' ' highlight reel, with Yuju also making an appearance in Honeyst's "Someone to Love" music video. Jiwon auditioned for the first season of SBS' K-pop Star with the song "Because Of You" by Kelly Clarkson and later became a trainee under Starship Entertainment. In 2012 she appeared in Starship Planet's "White Love" music video. Remi was a trainee with Avex Proworks and first appeared in the live-action segments of ' in 2012 as one of the Prism Mates but did not pass the audition to become an official member. She modeled for Repipi Armario at Point 65th Fashion Show's 2014Spring Collection. Kokoro was also a student at Avex Artist Academy in Nagoya, Japan, and she was scouted by FNC Entertainment in 2016.
2018–present: Debut, line-up changes and digital singles
The group's debut reality showInsider Channel Cherry Bullet premiered on November 28, 2018 on Mnet. The reality show was made to introduce the group and each of its 10 members to viewers. Their first single album, Let's Play Cherry Bullet was released on January 21, 2019, with consisted of the lead single,, "Q&A", and two other songs, "Violet" and "Stick Out". They held their debut showcase on the same day at YES24 Live Hall in Gwangjin-gu, Seoul. On May 9, it was revealed that Cherry Bullet would comeback on May 22 with their second single Love Adventure with lead single "Really Really". On December 13, FNC announced that Mirae, Kokoro, and Linlin had left the group and terminated their contracts. The group, with seven members remaining, released their first digital single "Hands Up" on February 11, 2020. On July 30, it was revealed that Cherry Bullet would be making a comeback with their second digital single "Aloha Oe" on August 6.
Endorsements
Cherry Bullet were models for Korean uniform brand Smart in 2018, alongside BTS. The members were also selected to represent the brand in 2019.