Given Back, But Not To Keep by Etharei ― EXPLICIT | 5,014 Words
It starts one morning when, walking down a hallway during a lull between lessons, Erik comments casually to Charles, "Don't forget to train yourself too."

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Given Back, But Not To Keep by Etharei ― EXPLICIT | 5,014 Words
It starts one morning when, walking down a hallway during a lull between lessons, Erik comments casually to Charles, "Don't forget to train yourself too."
Ghost in the Machine by Sabrina_Il ― EXPLICIT | 2,441 Words
Erik volunteers to let Charles test his powers on him so Charles can get better at controlling them.
The Art of Misdirection by Amuly ― EXPLICIT | 2,083 Words
Erik discovering the best way to surprise a telepath is to think about what he's going to do after he's licked Charles out, and let the licking out part slip his mind.
Protection by Amuly ― EXPLICIT | 4,863 Words
In which Charles gets hit in the face/has a black eye and everyone automatically assumes that Erik is to blame because Erik is always so angry/irritable. Erik is mortified when he discovers what people are saying/thinking and doesn't realise how angry/irritable he is all the time. Charles is amused because Erik isn't ever angry/irritable with him, its just the rest of the world that pisses Erik off.
The Mechanics of Neuromolecular Medicine and Shared Beds by LolaFeist ― EXPLICIT | 1,380 Words
It turns out, Charles is a bit of a slag.
Call Me By His Name by Sinuous_Curve ― EXPLICIT | 2,761 Words
Charles wakes from the absence of noise. There is an empty space in his room, beside his bed. Not quiet as in an abandoned room, but utterly, featurelessly blank. Like a box made of unblemished, impenetrable metal and Charles knows before he opens his eyes.
Gentle by Kiyala ― EXPLICIT | 514 Words
Prompt: Before sex, after sex, during a blowjob, while holding an open book with one hand - I DON'T CARE. I just HAVE TO read a fic where Charles plays with Erik's hair and it gets Erik hard.