Two Shots adapts the extra chapter of the same name, while All or Nothing adapts Chapter 174 of the same name and a scene of the final chapter of the manga, which also matches with the conclusion of the final episode of the anime series. Two Shots tells the story of how Kurama and Hiei met, while All or Nothing covers a story of the main characters coming back together to solve a hostage crisis in the spirit world.

One day, 14-year-old Yusuke Urameshi suddenly finds himself dead, having died pushing a child out of the way of oncoming traffic. Since he has such a bad personality, even the Spirit World was caught by surprise that he would sacrifice himself. Yusuke soon finds out he wasn't supposed to die and has a chance for resurrection and bringing his body back to life. After being resurrected, Yusuke becomes a Spirit Detective, along with his comrades, and one adventure after another happens, whether it be an investigation or a fighting tournament.