2girls, aqua eyes, back-to-back, bare shoulders, black headwear, blue hair, blunt bangs, blush, bob cut, border, chromatic aberration, closed mouth, collar, collarbone, collared shirt, film grain, frilled collar, frilled sleeves, frills, gradient background, gradient hair, hair between eyes, hat, head tilt, inverted bob, light blue hair, looking at viewer, medium hair, multicolored hair, multiple girls, puffy short sleeves, puffy sleeves, red eyes, red hair, shadow, shirt, short sleeves, signature, sleeveless, sleeveless shirt, sparkle, upper body, white border, white shirt