Talk:Tatsugami Otohime/@comment-2001:8003:F05E:8800:5168:D1E7:BA57:9EC1-20190320180114/@comment-35514244-20190828005100

I guess you mean why she looked like Misaka, its revealed somewhere around midway into the arc. The Angel Fall spell caused some people to look different, just like Touma's mother looking like index and the old guy from the hotel looking like Stiyl.