alternate Universe You are Playing as Cuphead, When You defeat The Devil With Mugman, accepting His surrender, You take His Soul Contract that Could Make You and Mugman Really Rich, However, Mugman Stops You, He Doesn't want you to Become Greedy Whatsoever

"We're not done Yet, Let's Destroy All Of the Soul Contracts we collected And Return Back To Inkwell Isle, Tell everyone the Good News!" ...

but You said No

You were so focused at the Money that You didn't Care For Him Anymore