Kazuki Sato

Kazuki Sato (born 2019, died November 9, 2037, age 18) was the brother of Cho and Sayaka. His brother Takashi died in 2036 at age 13.

Execution, final day, and death
Further information: Takumi kills Kazuki

Kazuki's father, Takumi, came around. Takumi banished Kazuki off the wheelchair, lifted Kazuki up, and banished him into a bathtub. Kazuki was glued into the tub. Takumi turned on the water. Kazuki died on November 9, 2037, just six weeks after turning 18.

After Kazuki drowned, anyway, Takumi still shot Kazuki five times with a machine gun. Takumi also attacked the body with a cheese grater, and then Kazuki became beheaded with a machete. His dead body was banished into a deadly gas chamber.

On November 10, 2037, a day after Kazuki's death, Takumi stole Kazuki's wallet. Takumi stole 20 dollars and his license. That was the 20 dollars and license Kazuki had at the time of his death.