1girl, arm_up, bare_arms, bare_shoulders, black_hair, black_one-piece_swimsuit, blue_eyes, blush, breasts, closed_mouth, collarbone, feet_out_of_frame, hair_between_eyes, knees_together_feet_apart, looking_at_viewer, one-piece_swimsuit, original, pillow, shiho_(yuuhagi_(amaretto-no-natsu)), small_breasts, solo, swimsuit, yuuhagi_(amaretto-no-natsu)