Because when the Emperor of Heaven ranked the 12 zodiac animals, the rat took the first place from the ox, and there was no good relationship from generation to generation. However, Lin Xiaochen, the son of the rat Lin Yuan, met Lu Cheng, the son of the ugly cow Lu Zhun, when he was training in the lower world at the age of 3000. After learning that Lu Cheng was also dissatisfied with the marriage arranged at home, he gradually became familiar with him. From acquaintance to mutual understanding to love. However, due to family reasons, they were later forced to separate. 3,000 Years later, the two met again and continued their bad relationship...
Intention: I don't know