Criminal Minds/Lucifer: Gemini

FBI's special agent Spencer Reid works for the BAU department and was pretty lonely, he had a very high IQ but his EQ was a little below balanced, Reid had a hard time communicating and understanding others as well as thinking outside the box.

Shawn was a brilliant man who had created a world leading company by the age of 15 and by 17 he created AI which basically ran the company now, the company had breakthrough after breakthrough with no signs of stopping, until it grew boring and he found a pretty boy at a bar called LUX, Which was run by the Devil and his demon minion Maze.

The pretty boy intruiged him greatly, he found out he worked for the BAU in the FBI and was investigating a case nearby.

[Shipping - Spencer Reid with Shawn Reid along with Maze and possibly Lucifer]

Shawn had quickly seduced Spencer, he quickly joined the FBI and with special interest in him he was fast tracked to Special Agent status. He was Invited to the BAU suprising Spencer Reid who was unaware or the new member.

Shawn was aware of Spencer's awkwardness yet he just found it cute and adorable, but Spencer began avoiding him until he was cornered by Shawn and seduced again.