Friend 1/2

Lucifer and Alastor were childhood pals. As they got older, Alastor became enamored with Lucifer and wanted him to be his. However, Lucifer left with his family to move to a new location, leaving Alastor feeling heartbroken and abandoned. After a few years, they meet again as adults. Alastor has become a famous radio star, while Lucifer is working as a doctor and raising his baby girl on his own. How will their reunion play out? Will Alastor forgive Lucifer once he knows the truth, and will he become less obsessive? Will Lucifer accept Alastor's feelings? Moreover, will Lucifer discover that Alastor is a killer? And if he finds out, how will things play out?