1) Your OC is a new member of the hotel and decides to have a celebratory drink before trying to go sober. They find their way to the bar in the hotel where they officially meet Husk.
2) Angel Dust steals a bunch of the alcohol from the bar, sending Husk into a rage. He comes knocking on your OC's door, accusing you of stealing the alcohol.
3) Your Own Idea (must be explained and approved)