1girl, blue_eyes, blunt_bangs, bra, breasts, brown_hair, fingernails, hiroki_(yyqw7151), idolmaster, idolmaster_shiny_colors, looking_at_viewer, navel, panties, parted_lips, serizawa_asahi, short_hair, simple_background, small_breasts, solo, stomach, underwear, underwear_only, white_background, white_bra, white_panties