- Defictionalization: In a cross-cultural promotion, P. A. Works personally commissioned Man at Arms to create Ken's sword and even provided them with the Japanese metal for it.
- Milestone Celebration: The entire show serves as one for P. A. Works 15th anniversary.
- No Export for You: Eventually averted. At first, Kuromukuro was exclusive to Netflix in Japan until July 2016 when it became available worldwide. Eventually, dubs were produced and released in December 2016.
- Relationship Voice Actor: Bryce Papenbrook and Cherami Leigh has been portrayed as lovers before.
- Write What You Know: The team really goes out of its way to showcase their homeland, the Toyama Prefecture.
Trivia / Kuromukuro