Quest from God

I was just a normal 20yr old son in a rich family who was visiting Greece for a holiday and ends up saving a little girl and God decides to send me on a quest.
Who says I have to do the quest when I can just follow the MC.

Watch as our MC explores the world with the woman who decided to follow him.

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This world will be an amalgamation of a variety of different animes and novels.
Disclaimer: I do not own the rights to any of the anime or their characters.
Based on the world of the famous novel 'My Three Wives Are Beautiful Vampires'