1girl, bare_shoulders, blush, breast_press, breasts, brown_hair, chikuwabu_(yokowokazuaki), cleavage, grey_shorts, grey_sports_bra, huge_breasts, idolmaster, idolmaster_cinderella_girls, mukai_takumi, open_mouth, parted_bangs, plank, short_shorts, shorts, sidelocks, socks, solo, sports_bra, white_socks, yoga_mat