cosplay costume_switch crossover hair_ornament hatsumi_(kay522) hatsumi_nekuta ikamusume ikamusume_(cosplay) index index_(cosplay) long_hair look-alike lookalike lyrical_nanoha mahou_shoujo_lyrical_nanoha misaka_mikoto misaka_mikoto_(cosplay) multiple_girls nagatsuki_sanae nagatsuki_sanae_(cosplay) red_eyes reinforce_zwei reinforce_zwei_(cosplay) shinryaku!_ikamusume short_hair tears tentacle_hair to_aru_kagaku_no_railgun to_aru_majutsu_no_index yagami_hayate yagami_hayate_(cosplay)