Juujika no Rokunin

Is it okay to kill people
A treacherous revenge suspense by Shiryu Nakatake a newcomer to Bessatsu Shonen Magazine
Shun if someone is converted let him go and do nothing He should be given a chance to be reborn
Grandpa I hope he doesnt reincarnate himself
In order to defeat several nonhuman monsters the boy also became something nonhuman
Shin Uruma a sixthgrade student was named Experimental body A by five of his classmates and was severely bullied and lived in hell His only peace was with his brother who loved him and his parents who protected him until the five monsters killed his family
When he finally loses everything and faces true hell a dark wish is born inside Shun He was reborn under the training of his grandfather who served in a secret unit during WWII Now four years later he appears in front of his fated enemy
I wont let ANYONE get in the way of my revenge