idolmaster, idolmaster (classic)
ganaha hibiki
zanzi
1boy, 1girl, :d, bangle, beach, bikini, bikini top lift, black hair, blue eyes, bouncing breasts, bow, bracelet, breast slip, breasts, clothes lift, content rating, cover, cover page, diving mask, doujin cover, dutch angle, goggles, goggles on head, grin, hair bow, hetero, jewelry, long hair, medium breasts, navel, neck ring, nipples, ocean, one breast out, open mouth, paizuri, penis, ponytail, sitting, smile, snorkel, summer, swimsuit, underboob, wariza, water, wet, wide ponytail
highres, non-web source