yamada anna, boku no kokoro no yabai yatsu, absurdres, commentary request, highres, 1boy, 1girl, akikon x, alternate costume, alternate hairstyle, ass, back, bikini, bikini skirt, black hair, blue eyes, blush, brown eyes, closed mouth, english text, flower, from behind, hair flower, hair ornament, hair over one eye, halterneck, happy birthday, hetero, hug, inflatable raft, innertube, long hair, looking at viewer, looking back, partially submerged, pool, shared innertube, short hair, signature, swim ring, swimsuit, twintails, water, white bikini