C220 Who is the murderer

The ward door once again quieted down. Xu Ningzhou sat down at the side of the bed, his hands gently caressing Qing Huan's face.

"Brother Zhou-ge?" Qing Huan opened her eyes in a daze. Her mind had not cleared up yet, and her voice was filled with a sweet uncertainty.

"It's me." Xu Ningzhou helped Qing Huan sit up, placed a pillow on her back, and held a cup of water as he said