1girl, alternate costume, arm behind back, arm up, bangs, black hair, black pants, black sports bra, blush, breasts, cetta (cettadvd), cleavage, closed mouth, collarbone, hair ribbon, holding, holding towel, kaguya-sama wa kokurasetai ~tensai-tachi no renai zunousen~, looking at viewer, medium breasts, midriff, navel, pants, parted bangs, ponytail, raised eyebrows, red eyes, red ribbon, ribbon, shinomiya kaguya, sidelocks, simple background, solo, sports bra, sportswear, stomach, towel, yoga pants