sumino takumi, the hundred line -last defense academy-, chinese commentary, commentary request, 1girl, ahoge, black hair, black one-piece swimsuit, blue eyes, breasts, collarbone, cropped legs, genderswap, genderswap (mtf), hair between eyes, hand up, long hair, multicolored hair, one-piece swimsuit, open mouth, red hair, school swimsuit, simple background, small breasts, solo, streaked hair, swimsuit, two-tone hair, white background, youli shijie zhiwai