1girl, aa211108, armpits, bikini, black_collar, black_thighhighs, blush, breasts, cheek_pull, collar, diagonal_bangs, dot_nose, finger_to_mouth, half-closed_eyes, halterneck, hand_up, idolmaster, idolmaster_shiny_colors, legs, looking_at_viewer, lying, medium_breasts, medium_hair, navel, purple_bikini, purple_eyes, purple_hair, side-tie_bikini_bottom, sidelocks, solo, stomach, string_bikini, swimsuit, tanaka_mamimi, thighhighs, thighs, twintails, wavy_hair, white_background