1girl, d, adjusting_eyewear, bare_arms, bare_legs, barefoot, bikini, blush, breasts, brown_eyes, brown_hair, cleavage, eyewear_on_head, foot_out_of_frame, halterneck, hand_on_eyewear, idolmaster, idolmaster_shiny_colors, innertube, knees_together_feet_apart, lens_flare, long_hair, looking_at_viewer, lying, masuku_(saint_mask), medium_breasts, navel, o-ring, o-ring_bikini, on_back, one_eye_closed, osaki_amana, red_bikini, smile, solo, starfish, stomach, string_bikini, swept_bangs, swimsuit, toes, upside-down, v, water, wet