Ryo is a huge fan of motorcycles and rock music. One day, returning home, he discovers that his parents took in Sumire - a young girl who will stay at their home, until her parents, will figure out what about their divorce. At first, both young people, don't like each other. Soon, however, it turns out they share many passions, including an attraction to rock'n'roll life and heavy machinery. (Source: Milisia at MyDramaList)