Castration: Rebirth [Vol.1]

"All men are scum! All men should be killed!" After his beloved girlfriend was brutally raped and murdered, Anezaki Satoru is consumed by a thirst for revenge. Taking the law into his own hands, he retaliates by cutting off the genitals of the perpetrators before killing them, resulting in his conviction for murder and a death sentence. Yet, instead of meeting his demise, Satoru finds himself inexplicably transported to another world...