is a shōnen manga by Osamu Ishiwata. The manga ran in Shōnen Sunday from 1985 issue 24 to 1991 issue 9. The title stands for "Burning Blood" and Ishiwata's subsequent serial LOVe was a continuation of this series. In 1989 the series won the Shogakukan Manga Award in the shōnen category.
One night after leaving a club where he was playing trumpet Ryō Takagi is jumped by a motorcycle gang. The scuffle spills out into the streets and causes a traffic accident. Because of this, Ryō is arrested and forced to do time. Upon his release, he has developed into a skilled boxer but trouble continues to find him.