Charles turns into a cat. Well, not really. He just has ears and a tail. Erik doesn't quite know what to make of it.
X-Men: The Movie - Rated: M - English - Romance/Humor - Chapters: 1 - Words: 2,475 - Reviews: 6 - Favs: 124 - Follows: 18 - Published: 8/25/2014 - [Charles Xavier/Professor X, Erik L./Magneto] - Complete