1girl, armpits, bed_sheet, blush, bra, breasts, breasts_apart, c_(theta), collarbone, fingernails, foreshortening, groin, idolmaster, idolmaster_million_live!, indoors, lace-trimmed_bra, lace-trimmed_panties, lace_trim, letter, light_particles, looking_at_viewer, makabe_mizuki, medium_breasts, nail_polish, navel, panties, purple_bra, purple_hair, purple_panties, selfie, short_hair, sitting, solo, underwear, underwear_only