1990s_(style), 1boy, 1girl, brown_eyes, brown_hair, casual_one-piece_swimsuit, day, grin, holding, holding_stick, hoshino_asuka, injury, kai_tomohisa, one-piece_swimsuit, orange_one-piece_swimsuit, outdoors, photoshop_(medium), retro_artstyle, sentimental_graffiti, sky, smile, solo_focus, standing, stick, sweatdrop, swimsuit