1girl, blonde_hair, brown_eyes, brown_hair, casual_one-piece_swimsuit, kai_tomohisa, long_hair, looking_at_viewer, one-piece_swimsuit, open_mouth, outstretched_arms, pink_one-piece_swimsuit, sawatari_honoka, sentimental_graffiti, solo, sparkle, splashing, standing, swimsuit, wading, water