MALLOW BLUE is a distinguished all-girl rock band hailing from Osaka, Japan, and was established on August 29, 2017. The ensemble showcases the exceptional talents of twin vocalists Miki Takashima (高島美稀) and Kotomi Nishiyama (西山琴海), who are celebrated for their electrifying performances that seamlessly merge singing, intricate choreography, and harmonious vocal interplay.