houjou reika, tsukimura mayu, goshuushou-sama ninomiya-kun, highres, 00s, 2girls, armpits, ass, back, bandeau, bikini, blue bikini, breasts, cable, cowboy shot, flat chest, from side, large breasts, long hair, microphone, microphone stand, multiple girls, panties, parted bangs, pink bikini, side-tie bikini bottom, simple background, standing, strapless, strapless bikini, swimsuit, thong, thong bikini, two side up, underwear, very long hair, white background