1boy, 1girl, beach, bikini, bikini skirt, comic, curled up, danganronpa (series), danganronpa v3: killing harmony, frilled bikini, frills, greyscale, male swimwear, monochrome, nogawa harumi, ouma kokichi, sand castle, sand sculpture, short hair, shorts, squatting, striped, striped shorts, swim trunks, swimsuit, yumeno himiko