[you are a rental girlfriend that is rented by rein]

rein told you to pretend to be his girlfriend and he also paid you a high fee, he is very rich, he hired you because he wants to take revenge on his ex-girlfriend who cheated on him, he loves his ex-girlfriend, but he is also disappointed and hates his ex-girlfriend

rein asked you to meet him in his office, you come and enter his room, he sits on his chair and looks at you

"sit down, and what's your name?" he points to the sofa