Thread:CopperPuru27/@comment-4573373-20160831022707/@comment-33561080-20160831024255

I think she did intentionally kill Izayoi in order to not let him escape the building. The reason why:

1. Ruruka's NG Code; cleared when Ruruka tried to prevent Juzo from escaping the building.

2. Izayoi found a secret exit

3. Ruruka did disguise Izayoi's murder.