Rainbow Dash starts watching Anime, specifically Shingeki no pony, so she reads fan fiction. Applejack is concerned for her. She gets Applejack to watch Shingeki no Pony and they both become obsessed.

Tagged teen- sex because I'm unsure, but just to be safe.

[size=2em]Note the "Random" and "Comedy" tag. Don't be an idiot.[/size]