chelmico (チェルミコ cherumiko) is a female rap duo from Japan composed of Rachel Watashiga and Mamiko Suzuki, known professionally as Rachel and Mamiko, respectively. ‘chelmico' is a portmanteau of the duo's names.
“Easy Breezy” is also the opening of Masaaki Yuasa's latest anime, “Keep Your Hands Off Eizouken!”