Tu Nan is a web-fiction author about whom limited public information is available. The library currently holds two works by this author: Borrowing Your Rouge Color and Hundred Herbs. According to the available categorization, the works fall mainly into the genres of time-travel alternate history and otherworld continents, suggesting a preference for imaginary world-building and cross-temporal narrative. Judging by their titles, Borrowing Your Rouge Color carries a classical and romantic coloring, while Hundred Herbs appears plainer and more natural; the contrast hints that the author does not adhere to a single mode of subject matter. Because the author's nationality, dates of birth and death, English name, and concrete biography are not recorded in the library, it is not possible at present to offer more on personal background, nor to confirm education, awards, or professional positions. The absence of an existing profile means that readers' understanding of the author's creative trajectory must rely mainly on the works themselves. Further organization of narrative style and thematic changes can be undertaken if additional materials become available.