Xi Er is an author about whom limited public information is available. To date, only one work can be confirmed, the modern romance novel A Suitable Match. Judging from its common classification, Xi Er's writing currently centers on the modern romance genre. The title A Suitable Match suggests a story built around the emotional compatibility and developing relationship between the male and female protagonists, a narrative type common in contemporary urban romance. Because no author biography, nationality, dates of birth and death, or English name is available for reference, it is difficult to offer a more detailed account of Xi Er's life background or writing career, or to assess the number of works and the span of writing. Based on the available material, Xi Er is an author who has come to readers' attention through a single modern romance work, and further public information is needed to fill out their writing style and future development. Readers interested in the author and the work may begin with A Suitable Match to understand its narrative orientation and manner of emotional expression.