An Riyan was sitting in front of the computer, checking her class. Suddenly he let out a long sigh: "Oh my god! How could it be Class 18?" Then he turned to his sister who was doing a facial mask: "Hey, I was assigned to Class 18, I wonder if it will be bad?" Seeing his sister's expressionless face, Ri Yan couldn't help but protest: "Are you my sister! Why don't you care about me?" Seeing his younger brother showing his teeth and claws, Yue Ye had no choice but to walk over to talk. Looking at the viewer, Situ Aiye's name made her fall into deep thought. "Yes, could it be Aiyi's sister? She is also studying here this year! By the way, you will know if you ask her." Then he ignored Ri Yan's resistance and made a phone call. Seeing his sister's behavior, Ri Yan was convinced that she was definitely not his biological sister...