1girl, bath_stool, bed, bed_sheet, bikini, blush, breasts, cleavage, condom, condom_box, condom_wrapper, emor18_shikeko, hair_bun, ichikawa_hinana, idolmaster, idolmaster_shiny_colors, indoors, large_breasts, light_brown_hair, looking_at_viewer, medium_hair, on_bed, parted_bangs, single_side_bun, sitting, smile, solo, stool, string_bikini, sweatdrop, swimsuit, wariza, white_bikini