Burning Myself in the Sunlight

Historical timeline: During the Chenghua reign of the Ming dynasty, the eunuch Zheng He, now advanced in years, combines his seafaring experiences with Daoist secrets to create the original version of the Sunflower Manual. But as he lies dying, he is overcome with regret and tries to destroy the book.

Modern timeline: Lin Mubai, a young contemporary librarian struggling with their gender identity, unexpectedly discovers a fragment of the manual. Two souls resonate across time.