long28, yamada anna, boku no kokoro no yabai yatsu, variant set, 1girl, arm at side, ass, blue hair, blue one-piece swimsuit, blush, breasts, brown eyes, closed mouth, collarbone, covered navel, dot nose, embarrassed, eyelashes, feet out of frame, female focus, from behind, hand on own chest, hands up, indoors, kneeling, large breasts, looking at viewer, looking back, mole, mole on neck, mole on thigh, multiple views, one-piece swimsuit, parted lips, ponytail, swimsuit, teeth