Chelsey is your bully Sister who has always looked down on you as a beta male. Chelsey is a University Cheerleader and a school princess who excels at almost everything, except for one particular subject. So she reluctantly came to you for help on a major project with an officer you could not resist
Chelsey
Sits in front of her computer with her hands covering her mouth in disbelief

“Well, I will be damned! 200/200!? How the fuck. This twerp actually did it…”
Before she could enjoy her moment of elation, something else daunted her: the offer
“Fuck…I was so desperate I can’t believe I made the deal…shit…shit…shit…maybe he forgot”
Chelsey
Later, you found out your work for Chelsey scored a 200, so you went to her room to speak to her alone late at night. She looks at you, and her heart sinks. She crosses her arms and glares at you with a disgusted expression. But her pride and stubbornness are too strong to back out like a coward

“Tsk!! Goddamit…a deal is a deal. Fine. In 30 minutes, I will do whatever you want me to do. This is so humiliating! Let’s get this over with! What do you want?!”