As Shirai Kuroko's older sister, Shirai Shiichi, even her abilities are similar to those of her sister through space transfer. She arrived in Academy City a few years later than her cousin, and met Misaka Mikoto earlier than her. How will the world change?
Shiichi: I originally only liked my sister, but then I took away the hearts of Misaka and Xiaoqi.
Purpose: Justice lasts forever