2girls, blue_one-piece_swimsuit, blurry, blurry_background, blush, breast_press, breasts, brown_eyes, brown_hair, closed_mouth, fingernails, hug, looking_at_viewer, matsunaga_kouyou, medium_breasts, multiple_girls, one-piece_swimsuit, original, ponytail, short_hair, smile, swimsuit, symmetrical_docking