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.

Yu Yu Hakusho - Two Shots / All or Nothing

Even when trying to go for a relaxing camp out in the woods, the Matsumoto family is bitterly reminded that opponents in the Infinite Tournament can pounce at any place and any time. Well that flippin' stinks.