Double Trouble (слэш)

“Three down,” a Xie Lian says. “How are we supposed to test the real one?”
“It’s me,” Feng Xin says. “Your Highness, trust me—”
“No, Your Highness, it’s me.”
“Xie Lian! It’s me!”
“I’ve got an idea,” a Pei Ming says. He’s smirking, and Feng Xin is already dreading whatever this is going to be. “Mu Qing?”
-
A cursed cave causes Feng Xin, Mu Qing, Xie Lian, Hua Cheng, Pei Ming, and Shi Qingxuan to meet doubles of themselves based on the others' perceptions of them.
Feng Xin Week - Day 3: Fengshen