Jaja Uma Grooming Up!(じゃじゃ馬グルーミン★UP!Jaja Uma Gurūmin★UP!) is a manga series by Masami Yuki. It depicts the story of Shunpei Kuze, a high-school student unsure of the future until he takes a motorcycle ride to Hokkaidō. When his bike runs out of fuel, Shunpei is stranded on a country road; to make matters worse, he loses his wallet. He is found and taken in by the daughter of a local rancher named Hibiki Watarai. Shunpei begins a new life on the Watarai horse-breeding ranch, learning about the horses and the ranch's lively family and workers.