C141 Substitute Teacher

After Feng Yongxiang left, Guan Hao laid on the bed without moving. He closed his eyes and started to meditate. Although the spirit energy here was insufficient, he had long expelled all the impurities from his body before coming to the Medical University. Right now, his physical body was like a primal chaos, constantly expanding. What he needed now was to replenish his spirit energy.

Suddenly