I’ve Already Become a God, and You Told Me to Be a Bartender?

Owen had been a god for a thousand years. But due to slacking off, he was judged by the gods and exiled to a world on the brink of destruction. Soon after, Owen awakened a system and received his first task. But the task was... to create the best pub in the world? And to become the greatest bartender ever? Come on, I'm a god! Thus began his not-so-peaceful life as a bartender. [Ding! Detected that Host has mixed a special drink, which has evolved infinitely into god-tier mana liquid!] [Ding! Detected that Host has assembled a rifle, which has evolved infinitely into the most powerful magic cannon!] [Ding! Detected that Host has taken in a homeless man, who has evolved infinitely into the strongest human on the planet!] Well, I guess I can accept this. Saving the world through unconventional means starts today!