3girls, 4koma, blush, breasts, cleavage, closed_eyes, collarbone, comic, electric_guitar, eyebrows_visible_through_hair, facing_viewer, fangs, greyscale, guitar, instrument, looking_at_another, looking_at_viewer, medium_breasts, monochrome, multiple_girls, open_mouth, smile, speech_bubble, teeth, throwing, upper_teeth