Summary: Y/N keeps stealing all of Dean’s lady friends. When he tries to get to the bottom of why, they’re both surprised with the reason.

Rating: 18+

Pairing(s): Dean x Sister!Reader || Dean x OFC || Mentions of Reader x OFC

Tags: bisexual!reader, incest, jealousy, crackish, teasing, flirting, mentions of f/f, incest kink, p in v, orgasms

WC: ± 4.9K 

A/Ns: Written for the lovely Madelynn! Hope you enjoy this. It’s a lot lighter than you last comm! Ahaha <3

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