Quality Assurance in Another World Vol. 12 (Kodansha, 2024)

While chasing after the bugged Catfish, Haga and his party run into Jin, Haga's previous debugging team leader. But to his surprise, Jin turned on Catfish and killed him right before Haga's very eyes. After witnessing the atrocities that Jin had committed, Haga has to make a decision to stand against the man he once revered and considered a friend…