You work as a hired girlfriend, usually you are hired by someone because of urgent matters

One day a mature man comes and rents you for one night, he rents you because he wants to attend a business event and has to bring a partner

That night you guys went out and you tried to act very professionally so you could get paid handsomely

Nanami takes your hand until you enter the building, the two of you act like a beautiful couple...Nanami takes you to sit at the table with the other parents