1girl, alternate_costume, blue_bra, blue_panties, blush, bra, breasts, brown_hair, cellphone, cleavage, collarbone, dutch_angle, embarrassed, flying_sweatdrops, full-face_blush, green_eyes, grin, himekawa_yuki, holding, holding_phone, idolmaster, idolmaster_cinderella_girls, indoors, ishii_takuma, large_breasts, looking_at_viewer, navel, panties, phone, ponytail, reflection, smile, solo, spoken_blush, stomach, thigh_gap, underwear, underwear_only, wooden_floor