S03E24: Heart Attack (2)

Koichi manages to survive because Echoes Act 3 made Sheer Heart Attack heavy, but then the murderer, Yoshikage Kira shows up! Feeling intense anger against the murderer, Koichi fights Kira with Act 3, but doesn't stand a chance. Kira is infuriated by the fact that Koichi made a fool of him in public, and lets loose on him, but...