1boy, 1girl, black hair, blurry, blurry background, dynarex, gridman universe, gridman universe (film), hibiki yuuta, key visual, kneehighs, long hair, looking at another, mecha, miniskirt, necktie, official art, promotional art, red hair, robot, school uniform, short hair, short sleeves, sitting, skirt, socks, ssss.dynazenon, ssss.gridman, sweater vest, swing set, takarada rikka