[X-Men: First Class] Haunted

[waferkya]

Title: Haunted
Pairing/Characters: Charles Xavier/Erik Lehnsherr
Prompt: Leave me alone
Rating: PG14
Warnings: angst, (pre-)slash
Summary: Erik comes back to haunt him, from time to time.

Erik comes back to haunt him, from time to time (also on AO3)