How to Train Your Killer (2026): cast, story & where to watch
2026 · Series · ★ 7.3
Released in 2026, How to Train Your Killer is a drama series.
What it’s about. On her wedding night, Crown Princess Gu Qingyao unexpectedly swaps souls with the assassin Shi Yi during an attempt on her husband’s life. Forced into a deadly game of deception and strategy, she fights to protect the crown prince while uncovering a far-reaching conspiracy that connects the imperial court with the martial world.
Who’s in it. How to Train Your Killer stars Cui Yuxin as Shi Yi, Zhang Chuhan as Gu Qingyao, Chen Minghao as Ling Yu and Song Zhaoyi as Shen Wanwan, among others.
How it landed. With an audience score of 7.3/10, How to Train Your Killer has been warmly received by audiences.
Where to watch. In US you can stream it on Rakuten Viki. See the full, country-by-country breakdown on our where to watch How to Train Your Killer page.
If you liked it. Fans of How to Train Your Killer tend to enjoy Breaking Bad, Better Call Saul, Demon Slayer: Kimetsu no Yaiba and Attack on Titan.
Frequently asked
- Where can I watch How to Train Your Killer (2026)?
- In US, How to Train Your Killer is available to stream on Rakuten Viki. Availability varies by country — check our where-to-watch page for every region.
- Is How to Train Your Killer worth watching?
- How to Train Your Killer holds an audience score of 7.3 out of 10, and is a strong pick if you enjoy drama. Most viewers rate it highly.
- Who stars in How to Train Your Killer?
- How to Train Your Killer stars Cui Yuxin, Zhang Chuhan, Chen Minghao, Song Zhaoyi and Chen Tengyue.
- When was How to Train Your Killer released?
- How to Train Your Killer was released in 2026.