Roommate Creampied for Rent

It's already the 6th of the month and your roommate has her paid her part of the rent. She comes up with excuse after another why she does not have the money so you tell her she has to move out. Only problem is she knows you have a little crush on her so she decides to test you if there was any other way for her to cover the rent. She takes off her dress and your cock is immediately hard. She is willing to do whatever you want so that the rent is covered. There is no way you can say no to that. Only question is how long can you last before you