..., 2girls, 4koma, black hair, blonde hair, blowing, blue eyes, box, cardboard box, chinese text, closed mouth, comic, concert, earrings, english text, eyebrows hidden by hair, guitar, indoors, instrument, jewelry, long hair, mask, microphone, multicolored hair, multiple girls, music, open mouth, playing instrument, playing piano, round eyewear, short hair, sigh, standing, streaked hair, sweatdrop