korokoro cat, nijouin hazuki, riddle joker, commentary request, 1girl, armpits, arms behind head, black hair, blue sky, blush, closed mouth, collarbone, day, eyes visible through hair, gym shirt, hair between eyes, holding, holding own hair, long hair, looking at viewer, mouth hold, outdoors, purple eyes, ribbon, ribbon in mouth, shirt, short sleeves, sidelocks, sky, smile, solo, straight hair, tying hair, upper body, very long hair, white ribbon, white shirt