Everyone Turned into Animals, but I Didn't Change

Urgent! My girlfriend is gone and there is a white cat at home. What should I do if she says she is my girlfriend? The world suddenly changes. Everyone begins to transform into beasts within 24 hours. One day later. This steel jungle will be the world of animals. … Su Ye, who traveled through time and had not turned on the system for several years, got his own deduction system after an accident happened. Since then. To live a stable life, get married and have children. He began to gradually become stronger, deducing martial arts and immortal magic... Tens of thousands of years later, Su Ye suddenly found that he had many more names on his head. 'The Patriarch of Martial Arts' 'The One Who Opened Heaven' 'The Way of Heaven' This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.