Yaiba: Ninja Gaiden Z was supposed to be released on March 4th but Tecmo Koei has pushed back that date by two weeks.
The new release date? Now it’s March 18th, according to the publisher. And that announcement also revealed that the first issue in the three part tie-in comic is now free to read on either PC or through the Dark Horse comic app. You can read the first part here, which tells the story of Yaiba’s sword and how it got the name Heartless.