Seiji

A dropout of Hokumon no Ken, who has a love hate relationship with his father Sanga. He took over Lastland while Kenshiro was away to Hokumon temple get medicine for Bista. It was revealed that he learned all the secret of Hokumon No Ken in less than three years. Committed suicide by pressing a fatal point in his body after ridden with guilt over his past crime.

(Source: Wikipedia)