After the funeral, she stood on the rooftop to pray for help, but God did not reply. The system responded: Kitt has arrived, as cold as alloy, and the protection is ridiculous. Others laughed at her for being poor, but Kitt slapped her in the face with "rules + data"; she was so hungry that she trembled, and Kitt forced her to eat - living is the first iron rule. A Billion-Year Sea, Zhixin's Reef - The sea is Kitt's vastness, and the reef is the tenacity and meaning of existence of the heart.