Triage X (2015)

Season 1: Episode 2

Mikami Arashi, a high school student, has excised his first malignant tumor, and is now an official member of the illegal organization, Black Label. He took on the role of executioner because of what happened nine years ago during an act of terrorism against an international medical conference. And now Black Label moves to save a victim which has been kidnapped right after they saved them the last time.