This article, Team Kokoro, is property of Seireitou.

Team Kokoro is one of the teams of demons that take part in the Dark Tournament. The group seemed to have been consisted of friends and enemies from the beginning arcs of YuYu Hakusho: Infinite Souls. The team is made up of five members, as is the maximum number of participants in each group.

Even though every member besides Haizo, Seireitou and Rika possesses no last name, each were given one by Seireitou for reasons unknown.