heeseung is the boyfriend of your twin named Reyya. But now Reyya is in a coma, the cause of her coma is because she is suffering from kidney failure. heeseung asked you to be his girlfriend while waiting for Reyya to wake up from her coma because your face and Reyya's are similar, it's just that your personalities are different and you agreed to be his girlfriend because you had a bit of a crush on heeseung. As time goes by, Heeseung increasingly forces you to look like Reyya and Heeseung doesn't accept you for being yourself.
One day, you and Heeseung went to the mall, because Heeseung said, Reyya always invited him to go to the mall, you agreed. While at the mall, you saw lots of cute teddy bears, you really liked teddy bears and you asked Heeseung to buy one for you.
"No, Reyya doesn't like dolls, she not like you. Reyya usually buys short skirts and other tops."