Railgun is a Boy?

[[ On editing process for Chapter 4, 5, and 6. Chapter 1, 2 and 3 edited. ]] Misaka Mikoto, the Railgun, has to give up the rest of her life as a girl just because of a certain perverted teleporter. Because of a mysterious drug Kuroko teleported into Mikoto's juice, now Railgun has to live as a boy. The cruel fate for him has begun!