An epic battle between Sans and Railgun! watch as they battle it out and attempt to take home the crown of whos the better fighter! Might continue if ppl like!
Crossover - A Certain Scientific Railgun/とある科学の超電磁砲 & Undertale - Rated: T - English - Chapters: 1 - Words: 537 - Favs: 1 - Follows: 1 - Published: 2/13/2017