Yushou: All the Carp I Sold Turned into Real Dragons!

Traveling to the world of beast control, Lu Yu just wanted to be a salted fish shop manager and live in peace until he grows old. Unexpectedly, the bound [All Things Attunement System] randomly enlightens a pet beast in the store every day, unlocking the only god-level evolutionary route! But the price set by the system is also outrageous! "You sell the lowest-grade slime for three million? A black shop!" Lu Yu was forced to open his business: "This is the primal chaos slime. It can swallow all things and evolve infinitely. In the future, it will step on dragons and punch gods!" The school beauty bought it with tears in her eyes. A few days later, she used this slime to defeat the A-level pet beast Phantom Tapir and win the high school league championship! The whole school was shocked! "You want to sell an ornamental carp for three billion? Are you crazy about money?" Lu Yu calmly made tea: "Have you ever heard of a carp leaping over the dragon's gate? What you bought is not a carp, but a real dragon from the future!" The rich second generation who was abandoned by his family turned the pot into a thief. Half a month later, the dragon roared for nine days, shocking the entire federation! … Many years later, when the former customers became giants in charge of a party and powerful gods in the world, they came to the shop respectfully. "I beg Senior Lu to come out and save the world!" Lu Yu, who was playing with the cat in the store, was confused: "Huh? I'm just a pet seller, so don't make up your mind!"