1girl, all fours, amagami, apron, ass, bangs, black hair, black one-piece swimsuit, black socks, breasts, brown eyes, comic, competition swimsuit, cowboy shot, from behind, holding, looking at viewer, looking back, multiple views, nanasaki ai, one-piece swimsuit, serizawa (serizawaroom), short hair, small breasts, smile, socks, swimsuit, two-tone swimsuit, waist apron