Yu Yu Hakusho (1992)

S1E3 Kuwabara: A Promise Between Men

Kuwabara is struggling to cope with the loss of his rival. After being defeated in all 156 of their fights, he now faces the reality that he can never settle the score. With Yusuke gone, Kuwabara finds himself the top target, attracting a host of new enemies. Although Yusuke isn't particularly fond of him, if he hopes to reclaim his life, he'll need to step in and lend Kuwabara some supernatural assistance.