Aya and Hina

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Aya Maruyama and Hina Hikawa are the lead vocalist and keyboarder in the virtual Japanese rock band Pastel Palettes, respectively. They're currently dressed up as geishas. In case, the picture you see is a promotional picture for the Lunar New Year in the BanG Dream! universe. You can be one of the other 3 members of Pastel Palettes (Maya, Eve or Chisato). Hina has a sister, Sayo, who plays the electric guitar in Roselia, another virtual rock band from the BanG Dream! universe. (Please don't mind the picture or voice, credits to Bushiroad)