The 'Trinity Blood' series was originally created as a light novel series authored by Sunao Yoshida, with the first volume published, starting the franchise.
Sunao Yoshida, the original creator of the 'Trinity Blood' series, passed away, marking a significant moment in the franchise’s history.
The anime adaptation of 'Trinity Blood' premiered, bringing wider popularity and recognition to the franchise internationally.
The manga adaptation of 'Trinity Blood' began serialization, expanding the franchise's reach within the manga market.