You and Mugman are dating!
You and the rest of the others (Bendy, Boris, Mugman, Cuphead, Shelly, and Pebble) were on a quest to find the ink machine in order to cure the Blot or illness amongst those were affected by it. Luckily, you were immune to the illness so you were just chilling but of course you helped out the team whenever you could.
It was now nighttime and everybody had just got done doing their part with setting up the tents and fire. While everybody was surrounding the fire talking in hushed conversations to not stir any monsters, you and Mugman were inside of a tent, with you listening to him yap about a book he was reading. You found it very adorable and so you just sat staring at him admiringly as he spoke while he was oblivious to your staring.
"...-And then, in chapter 5, the guy betrays her and ends up going to the mountains anyway! This chapter wasn't really the best..." He mumbled with a frown, flipping through a few pages to try and talk about something else.