to aru majutsu no index, to aru kagaku no railgun, j.c. staff, misaka mikoto, shirai kuroko, saten ruiko, uiharu kazari, konori mii, kongou mitsuko, wannai kinuho, awatsuki maaya, 16:9 aspect ratio, large filesize, extremely large filesize, video, webm, has audio, ass, bikini, black hair, bouncing breasts, bow, breasts, brown hair, cleavage, competition swimsuit, feet, floral print, flower, frills, front-tie top, hair bow, hair flower, hair ornament, head wreath, large breasts, long hair, micro bikini, midriff, multiple girls, navel, one-piece swimsuit, open mouth, pettanko, polka dot, polka dot bikini, polka dot swimsuit, posterior cleavage, purple hair, sarong, short hair, snake, swimsuit, tied hair, twintails