Toto and Tata are brother and sister. Like their father, Totong, they both have brown hair, blue eyes, and pale skin. Toto is 12 years old, and Tata is half his age. 13 years later, Toto goes on to have a baby boy with his wife, Nene. Due to the baby's striking similarities to his grandfather, they named him Toting. 24 years after Toto was 9, Tata had a child with her husband, Isyo. They named the child Ising. Ising looks just like Toto; he has brown hair, blue eyes, and pale skin. 17 years after Tata and Isyo have their child, Toto is murdered. The murderer has brown hair, blue eyes, pale skin, and is half Toto's age. Who killed Toto?