About the author

Zhen Nan is an author about whom little public information is available. Five of the author's works are held in the collection, generally classified as foreign literature. Judging from the representative titles, Zhen Nan is best known for the "Hosui Rintaro Detective Series," which is intended to run to eight volumes; several of these are present, including the opening volume, The Afterglow Murder Case, the fourth volume, The Dream Hall Murder Case, the fifth volume, The Lost Paradise Murder Case, and the eighth volume, The Mermaid Mystery: The Aoiwa Murder Case. These titles indicate that the works center on murder cases investigated by the detective Hosui Rintaro and belong to mystery fiction with a strong puzzle element. Because the author's real name, nationality, and dates of birth and death are all unknown, biographical details cannot be established, and readers can only approach the writing through the works themselves, which emphasize case design, atmosphere, and continuity of the series characters.

Written (5)

Rating 4.0★ The Hōsui Rintarō Detective Series (Complete Eight Volumes) 小栗虫太郎 / 真难 · 2025 Superhuman erudition, frenzied imagination! This eight-volume collection comprises The Afterglow Murder Case, The Tragedy at St. Alexei's Church, The … Rating 3.8★ The Mermaid Mystery: The Oiwa Murder Case: Hōsui Rintarō Detective Case 08 小栗虫太郎 / 真难 · 2025 A Kōtarō Hōsui mystery. Superhuman erudition, mad frenzy! During Japan's Tenmei era, feudal lords exiled criminals to desolate islands in the vast oce… Rating 3.8★ The Paradise Lost Murder Case: Hōsui Rintarō Detective Case 05 小栗虫太郎 / 真难 · 2025 The Rintaro Hōsui Detective Series. Superhuman erudition, frenzied imagination! Between Yunoyu and Himejima, a thousand meters offshore, a half-rotten… Rating 3.8★ The Dream Hall Murder Case: Hōsui Rintarō Detective Case 04 小栗虫太郎 / 真难 · 2025 A Case for Rintaro Hōsui, Book 4. Superhuman erudition, frenzied imagination! At three o'clock on the afternoon of August 13, under a blazing sun, Rin… Rating 3.8★ The Halo Murder Case: Hōsui Rintarō Investigations 01 小栗虫太郎 / 真难 · 2025 The Kōgo Murder Case: The Fah-shui Lin-tarō Investigations 01