Yu Yu Hakusho - Season 1, Episode 21: Yusuke's Sacrifice
It may well be in the life of Yusuke Oramichi, a 14-year-old student who is the worst student in his class. Yousuke is a rogue student and always seems to be the bad apple everywhere. But Lord matters completely in one day. Yusuke turns into a different child after he died in order to save a small boy from traffic, becoming a spiritual detective. Perhaps because of this self-act, it passes through the ordeal to regain his body again.