Kyoukai no End Feel

The "Child of Araragi Incident", a mass murder that would later send shockwaves through society.
Desperate to solve the mystery, Detective Masato Seto forces an unauthorized sting operation. But just as he grasps a fragment of the truth, he commits an irreversible mistake...
"Can a sin ever truly be atoned for?"
Centered around a rehabilitation ward, this is a story of true recovery for both mind and body. A groundbreaking new medical manga begins here!!

(Source: Shueisha, translated)