At the End of Ten Days: She, Yu Nian'an, Dreams Come True

The world is frozen. Yu Nian'an records everything. They smiled at her, but their eyes were empty. Only he is different. So, when she opened the door, without the words "You're back," she stopped. He sat in his chair with his back to her. She didn't move or speak. He slowly turned his head. "An'an." He looked at her as if looking at something else through her. "I killed someone."