YOU SAID:

Billy had nine lives because he ate the head of a cat god

INTO JAPANESE

猫神の頭を食べたので、ビリーは九つの命を持っていた

BACK INTO ENGLISH

Ate the cat God head, so Billy had nine lives

INTO JAPANESE

ビリーは九つの命を持っていたので、猫神の頭を食べた