I! Raising a Dog Will Make You Stronger!

Accidentally traveled to another world, someone else has ancient power in their body! There is a system! Ancient mythical beasts are all pets! You give me a *? Make money? Practice? Become stronger? If it doesn't exist, wouldn't it be better to treat reality as a game and play with the monsters in the game? It is impossible to practice cultivation in this life, and you can only rely on playing games to support your life! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.