Togashi gave this doujinshi for free at the 1994 Summer Comiket. It contains some random drawings by him and his friends, short weird comics with the YYH cast, an interview and an essay. 
This entry covers only the comic chapters.

Yusuke Urameshi was a tough teen delinquent until one selfless act changed his life...by ending it. When he died saving a little kid from a speeding car, the afterlife didn't know what to do with him, so it gave him a second chance at life. Now, Yusuke is a ghost with a mission, performing good deeds at the behest of Botan, the ferrywoman of the River Styx, and Koenma, the pacifier-sucking judge of the dead.
 
(Source: Viz Media)
 
Note: Volume 7 contains the special story "Yuu Yuu Hakusho Tales: Two Shot" (外伝. TWO SHOTS)

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