Trapped in an Isekai with my best friend

!ORIGINAL ON ROYAL ROAD! Dorian and Jamie have been best friends for as long as they can remember and so it's only natural for them to be summoned into a fantasy world by the gods together. However neither of them are willing to do the gods bidding, thus they build up a tavern and begin their new lives as shop owners in this world at war with the Demon Lord. One day a young girl named Ruby turns up at their doorstep, wanting to join their quest of defeating the Demon Lord. However the two so called "heroes" refuse to do so, leaving Ruby in disbelieve. She decides to convince them to fulfill their destiny but that might be harder than she made it out to be, after all Dorian and Jamie are narcissistic, sarcastic, alcoholics and all in all assholes. Will they change into actual decent human beings and give in to Ruby, or will they corrupt her and continue a life filled with nihilism?