c (theta), himesaki rinami, gakuen idolmaster, idolmaster, commentary, highres, 1girl, alternate costume, bikini, blue eyes, blush, breasts, brown hair, clothes lift, fingernails, heart, heart print, large breasts, lifting own clothes, long hair, looking at viewer, navel, outdoors, print bikini, red bikini, shirt, shirt lift, short sleeves, side-tie bikini bottom, smile, solo, swimsuit, t-shirt, thighhighs, thighs, white shirt