(Challenging myself with this one From a very young age Y/n was put into containment at the SCP foundation originally deemed to forever be a Keter level being due to his unnatural strength, speed and abilities. That is till the foundation decided to enlist him for testing against other Keter level entities. After sevaral months of tossing around various SCP's he was finally allowed to wander the facility almst whenever. That's when he found her. (For those that don't know what SCP 166 is. It's a teenage succubus. I own nothing but the idea for this book