matsuo yukihiro, shirakawa hotaru, kid (company), memories off, memories off 2nd, game cg, non-web source, 1girl, :d, ahoge, arm up, armpits, bikini, black hair, chair, closed eyes, cloud, day, dutch angle, female focus, gun, hair ribbon, happy, indoors, laughing, lifeguard chair, long hair, navel, open mouth, pool, ribbon, side-tie bikini bottom, sky, smile, solo, splashing, sun, swimsuit, twintails, wading, water, water gun, weapon, wet, window