The Unkillable: Death Sworn [INVINCIBLEXREADER]
This is an Invincible x reader story, but as in the entire series, not Invincible himself (sorry, but there will still be a lot of fun times with you two) After Mark gets his powers, Mr. Grayson starts to act oddly. You find it strange, but before you're able to really look into it, you get really, really.... sick? Wi...