1girl, aa211108, ahoge, armpits, arms_behind_head, arms_up, bikini, black_thighhighs, blush, braid, breasts, brown_hair, chestnut_mouth, collarbone, dot_nose, green_eyes, hair_between_eyes, half-closed_eyes, idolmaster, idolmaster_million_live!, legs, looking_at_viewer, lying, medium_breasts, navel, no_shoes, sakuramori_kaori, solo, stomach, string_bikini, swimsuit, thighhighs, thighs, white_background, white_bikini