Full Range of Motion - Tweetfic

~~ What would happen if long-time boyfriends Minseok and Baekhyun fall for a tall stranger at the gym? Would they be able to convince the boy to join their relationship? Or would it be a one time adventure? ~~

Polyamory, XiuBaekYeol, Gym babies, NSFW later on, but also cute domestic shit, It’s been a while since I made one of these so pls be gentle

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Full story will be on my AO3 once it’s complete. Shameless plug of my AU account: @cateyesau