chelmico formed in 2014 after Rachel Watashiga and Mamiko Suzuki met through a mutual friend at a McDonald's in Arakawa, in Tokyo, Japan.
At the time, Watashiga did some modeling work and appeared in the background of music videos for Ōmori Seiko.
When one of her friends offered her 10 minutes during a music event they were organizing in spring of 2014, Watashiga invited Suzuki to rap with her.
Their single, Easy Breezy, (released January 17, 2020) was used as the opening theme song for the anime adaptation of Keep Your Hands Off Eizouken!
[2] Two singles, milk and Disco (Bad dance doesn't matter), were released in July and August (respectively) preempting their third album, maze.