1girl, ;o, ball, blush, breasts, cleavage, collarbone, dumbbell, exercise_ball, gym, idolmaster, idolmaster_shiny_colors, indoors, light_brown_hair, looking_at_viewer, mat, medium_breasts, one_eye_closed, pink_sports_bra, plant, sakuragi_mano, short_twintails, solo, sports_bra, sweatdrop, tukikataumemo, twintails, underwear