Notice! This is not some bloody time travel, nor is it some tangled sadomasochism, this is just about the happy life of two little monsters. It is natural for cats to eat fish. Even when an unusual cat meets an unusual sturgeon, this nature seems to be unchangeable. Although the days of fighting and making noise make the sturgeon very helpless, it is also very happy. But when the sturgeon tries to find the treasure lost due to an accident, and when the raccoon dog tries to find the person with a familiar aura, the lives of the two little monsters who came into the world together are destined to become extraordinary...