In case you aren’t familiar with Catherine. It’s the new game from the creators of Persona 4 and has been dubbed a horror action game with erotic themes.
More details have come out about exactly what you might be doing in the Persona 3 creator headed Atlus game Catherine. Apparently Vincent has a girlfriend named Katherine whom he cheats on with Catherine. He then begins having nightmares where he has to climb stairs to escape death.
It will also have your actions determining the end of the story and who Vincent ends up with and what happens to him.