hiiro yuki, komaki manaka, to heart (series), to heart 2, 00s, 1girl, aircraft, airplane, ass, beach, black eyes, blonde hair, blue one-piece swimsuit, blush, breasts, cloud, contrail, female focus, folded ponytail, from behind, innertube, leaning forward, looking at viewer, looking back, ocean, one-piece swimsuit, open mouth, sand, school swimsuit, sign, sky, small breasts, solo, standing, swim ring, swimsuit, water