Travel Through Time and Become a Dog, and Get the Monster System at the Beginning

It's just a matter of time traveling to become a dog, but also becoming someone else's pet. What is this? Well, because this person is a beautiful woman, I endured it, activated the god-level monster system, ran the "Tengu Sun Eating Technique", swallowed the sky, swallowed the earth, swallowed the sun, and rode a real dragon to swallow the gods.