C36 The Son of a B Tch Didn't Have Any Upbringing

Ruan Xin couldn't help but sneer in her heart. She knew very well what kind of person her own brother was. She didn't care how others looked at him. Since young, Ruan Tang had always had his own reasons for doing things other than his fierce temper.

"Teacher, what do you mean?" Ruan Xin decided to observe first. The other party did not come with good intentions. Clearly