New to the list looking for an angsty Derek/Stiles fic

[felmyst]

Hi, I am brand new to the list and just got into teen wolf. I started read a fic last week now I cannot find it.. Derek seduces Stiles and then after the act, Scott and Isaac are there and they and Derek said they had a bet that Derek could not seduce him.. It appears so they can force him out of the pack for his own good. The author said it was based upon an HP fic called I believe "White Chocolate"... Thank you in advance in anyone can find it for me. I believe it was on AO3...

FOUND: Nowhere Man by 1lostone
http://archiveofourown.org/works/781531/chapters/1472211

THANK YOU TO amarakjd FOR FINDING IT!