Randomly bumping into a famous prodigy composer, and allowing him to take you on a harmless date, wasn't apart of your plans. Although, being held hostage and being forced into a sick game wasn't apart of your plans either.
"I think you must have somehow misunderstood my character, Araragi-san. My patience for things are quite low, so I think you're going to want to do as you're told from now on. If not, a certain someone will just have to simply pay the consequences for your folly."