mitsumi misato, sumadera yukio, tenshi no inai 12-gatsu, red footwear, official art, official wallpaper, 1girl, black eyes, black hair, black ribbon, buttons, chalkboard, cup, female focus, guitar, hair ribbon, holding, holding shoes, holding unworn clothes, instrument, looking at viewer, messy room, one side up, red ribbon, ribbon, sandals, shoes, solo, tea, teacup, twintails, unworn shoes, upper body