Who Killed Cock Robin?.As Byakuya arrives at the facility, managing to take out the helicopter that was pursuing Yasuhiro, the Miaya robot switches to automatic control and goes up against Kyosuke. Meanwhile, as Juzo prepares to attack Kyoko, Koichi, deducing that Juzo's forbidden action prevents him from punching anyone, lures him into a floor activated trap. Just then, Ruruka collapses the floor underneath Kyoko, prompting Koichi to break his forbidden action; opening his left hand, in order to save her, dying from his bangle's poison as a result...