暗河传
An He Zhuan
Author: 周木楠 / Zhou Mu Nan

An He Zhuan is a prequel novel from the Shao Nian Ge Xing series. The story is set about 10 years after the end of Shao Nian Bai Ma, and approximately 8 years before the start of Shao Nian Ge Xing. The main characters in the novel are Su Muyu, Su Changhe, other assassins of the Hidden River, plus many exciting new characters. Familiar characters from the series' other novels also make cameo appearances.

Novel

暗河传
An He Zhuan
(Legend of the Hidden River)Status: Main story completed 17 Jun 2024
Started in Oct 2020
Length: 566,670 words (247 chapters)
Published by 不可能的世界
click here to read/purchase
ch 1-45 are free to read
Ongoing translation at NovelupdatesSummary (from publisher):
Hidden River, the most powerful organisation of assassins feared by all in the martial world. They were able to assassinate the highest level of royalty in the imperial court, or eliminate the most elite families and sects in the country. However, the Patriarch of the Hidden River was getting older, and he was losing control over the entire Hidden River. During a mission to kill the Tang Sect Second Grandmaster, the Patriarch was seriously injured. The Hidden River Heads of Houses began to send out their assassins, conspiring to take his life while the Patriarch sought out a doctor that could cure his injuries. This was the beginning of a game of life and death. As fate would have it, two young men who had crawled out of a pile of corpses, two young men who were the closest of friends, now stood on opposing sides...----
The novel is also available in print (Simplified Chinese only).Publisher: 广东旅游出版社 Guangdong Travel & Tourism Press
Publish date: 2023-11-01
ISBN: 9787557031473The published edition only included the first 8 chapter arcs, not the entire novel.

Donghua

少年歌行外传：暗河传
Tales of Dark River
Youku announced the donghua adaptation in April 2021. CG production by Passion Paint Animation.Summary from Youku:
Hidden River, the most secretive assassin organisation in the martial world. Comprising the three Houses, Su, Xie and Mu, the highest-ranking person in charge was called the Patriarch. The Patriarch was poisoned and his life was on the brink. When the various powers in the three Houses heard of the news, they took the opportunity to organise a coup. Su Muyu, leader of the Patriarch's personal guards, the Spider Shadows, brought in Bai Hehuai, a genius doctor from Medicine King Valley to cure the Patriarch. At the same time, he had to repel the killers sent to assassinate the Patriarch and protect him. Meanwhile, his closest friend in the Hidden River, Su Changhe, represented the Su House and joined the operation to assassinate the Patriarch.Voice Actors
Su Muyu: 刘明月 Liu Mingyue
Su Changhe: 魏超 Wei Chao
Bai Hehuai: 唐小喜 Tang Xiaoxi
Tang Lianyue: 锦鲤 Jin Li
Mu Yumo: 乔诗语 Qiao ShiyuSeason 1
Episode 1-12 (aired 2 Aug - 11 Oct 2023)
OP - 暗河 by 郑云龙 - PV
ED - 斑驳江湖 by 曾可妮 - PVSeason 2 - 九霄龙吟篇
Officially announced 9 Oct 2023
Episode 13-26 (aired 17 Apr to 10 Jul 2024)Character Design - released 13 Mar 2022
First Look - released 14 May 2022
YouTube playlist of PVs and trailers

Live Action

暗河传
An He ZhuanYouku announced the live action TV adaptation on 20 Sep 2023. Filming began on 13 Jun 2024 at Hengdian with the screenplay written by the author. The series director, Tao Yin, also directed Shao Nian Ge Xing (Blood of Youth).Director: 尹涛 Tao Yin
Screenplay: 周木楠 Zhou MunanCast
Su Muyu: 龚俊 Gong Jun
Su Changhe: 常华森 Chang Huasen
Bai Hehuai: 杨雨潼 Yang Yutong
Mu Yumo: 彭小苒 Peng Xiaoran
Mu Xuewei: 孔雪儿 Kong Xue'er
Tang Lianyue: 章时安 Zhang Shi'anGuest starring
Su Zhe: 乔振宇 Qiao Zhenyu
Su Ziyi: 刘羽琦 Liu Yuqi
Patriarch: 耿乐 Geng Le
Xie Buxie: 黄毅 Huang Yi
Mu Fusheng: 言杰 Yan Jie
Li Hanyi: 张维娜 Zhang Weina
Sikong Changfeng: 夏之光 Xia Zhiguang
Xiao Ruofeng: 白澍 Bai Shu
Mu Ciling: 李岱昆 Li Daikun
Su Changli: 许睿浩 Xu Ruihao
Mu Qingyang: 高基才 Gao Jicai(and many more)