It's a "pop" and cute everyday anime based on the 4-koma manga featuring the characters from Uma Musume: Pretty Derby.

Ye Chen, an ancient god, who fell from the world of the gods into a heavenly and peaceful world. In this world there are hundreds of countries, surrounded by thousands of states, who are strong and arrogant. Ye Chen has been in this world for hundreds of years and has established great strength, moreover his existence has always been a legend. But the power of the gods' world extends slowly into this world, beginning one of the most cruel and ferocious battles.

OVA episode bundled with fifth volume of manga.

Fang Han, a humble family slave, held the belief that "I would rather be a beggar than a slave" since childhood, and traversed the world by myself. With an unyielding stubbornness, he broke through the mystery of supernatural powers and forged his body into an immortal body. Work hard to step into the fairyland step by step, and eventually become the peak king.