Mareiro no Kamen Koukyuu

Dong Zhulan possesses an extraordinary ability to remember everything she sees and lives in isolation as a sea god's sacrificial princess. She is approached by a young man named Liu Fang, who takes her to Xiazheng City to save her brother. There, she is tasked with using her sight to investigate disturbances within the palace. Though initially uncertain about interacting with others, she diligently works to uncover the causes of thefts and a curse affecting the palace. Her sincerity begins to earn the trust of Liu Fang and others. However, the deeper she digs, the more she uncovers a secret tied to the country's foundation, one that should remain hidden.