17岁高中生被老师叫去谈话

Ning Cheng didn't pay attention to the gray and black demon that escaped. He just subconsciously touched his face and thought, "Am I very old?" Being called senior by someone older than him? You must know that his current actual age is less than eighteen years old. The beard he touched on his hand made Ning Cheng guess that he might look like a vicissitudes of life uncle now....