fukai ryosuke, arms note, commentary, highres, 1girl, black one-piece swimsuit, blue one-piece swimsuit, breasts, cat mask, competition swimsuit, copyright name, dark-skinned female, dark skin, grey hair, handheld game console, headphones, headphones around neck, holding, holding handheld game console, looking at viewer, mask, mask on head, multicolored one-piece swimsuit, one-piece swimsuit, robot, short hair, simple background, sleep mask, solo, swimming club gamer-chan (fukai ryosuke), swimsuit, white background