"Hmph, whoever dares to fire Kim Nana doesn't need to stay in South Korea anymore."
"Brother, do you think I should get involved between them? I clearly know that they are a real couple."
"Don't touch me with your dirty hands. The air here smells of decay and makes me want to vomit."
"Runcheng, I think I've fallen in love with you. I'm sorry. I will leave without causing any trouble to you and Nana. I'm here to say goodbye to you this time. I also ask you to take good care of Nana. From now on, I will not appear in your life again..."
This article breaks down the CP. The heroine has an arrogant temper. Although she keeps laughing, she makes people feel cold. She has a good relationship with Jin Nana.
The ending is BE, slightly sadistic, and they were very sweet when we were together after the relationship was confirmed.