About “NEEDLESS”
"Needless" is a Japanese manga series created and illustrated by Kami Imai. It was published in Shueisha's seinen manga magazine Ultra Jump from October 2003 to June 2013, and later compiled into 16 tankōbon volumes. The series was adapted into a 24-episode anime television series produced by Madhouse, which aired from July to December 2009. The anime was licensed for release in North America by Sentai Filmworks. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.