"Requiem for the Assassins" is the ninth episode of the Blue Jacket series. It was first aired in Italy on September 13, 2015 as the tenth episode, and aired in Japan on November 26, 2015.
Goemon was involved in a past assassination job that's come back to haunt him, as several assassins he worked with are being killed off one by one.
- Screenplay: Tatsuro Inamoto
- Storyboard: Masahiro Mukai
- Production: Yoshitaka Nagaoka
- Animation director: Sadahiko Sakamaki