Nicole: "Takumi Sato killed Takashi Sato. Takashi was 13 years old when he died."
[We see a Japanese 13-year old confined to a wheelchair, brutally damaged]
[Takumi shoves Takashi off the wheelchair]
[Takumi kills Takashi with a cheese grater]
[Takumi stabs the dead body 50 times with a knife]
[Takumi beheads the dead body]
[Takumi sends the whole dead body into a gas chamber]
[Takumi shuts and activates the gas chamber, then leaves]