fukuoka katsumi, tohno akiha, toono akiha, vermillion akiha, tsukihime, 00s, 1girl, arm behind head, arm up, bikini, black bikini, cloud, day, dutch angle, female focus, flat chest, frown, green eyes, hair over breasts, hairband, long hair, looking at viewer, navel, o-ring, o-ring bottom, o-ring top, outdoors, parted bangs, red hair, sidelocks, skinny, sky, solo, standing, swimsuit, very long hair