C46 He who owes a man must pay him back

I couldn't believe what Liu Xiaomeng said. Her mother came to school when Liu Xiaomeng was in trouble, and beat me up. How could I sell her out?

However, Liu Xiaomeng's sobbing and cowardly look had completely disappeared. She was no longer innocent. She had to believe it. What had happened?

Before I could say anything, Liu Lin, who was beside me, told me that this was not the place to talk