Cats That Love to Eat Fish Tails

There are many brain cities on this planet, and each city is graded according to the size of its brain. Ordinary brain is the lowest level, while elite brain, leader brain and god brain are higher levels. To upgrade the level, brain capacity must be expanded and corresponding fees must be paid. The amount of the fee changes according to the level. The ordinary brain expansion fee is 10,000 gold coins. This is a huge number for ordinary people. To earn these 10,000 gold coins