Kyoukotsu is the first to appear in both the anime and manga and is the first sign of the existence of the Shichinin-tai. He is presumably the weakest of the seven despite his abnormal size. His appetite for human flesh makes him a cannibal, but he eats yokai flesh as well. Also, because of his devourment of yokai, his body size became abnormal. He does not use any weapons to fight except his bare hands, and because of his devourment of yokai, he can usually crush an enemy within seconds. He's not the smartest of the army either, and is the first of them to die off for a second time.
In his short appearance in the post-Kagome era, he manages to infuriate what remains of Kouga's wolf tribe and proceeds to die by Kouga's hand. His Shikon shard was located in his forehead, where Kouga pulled it out. He also had a short meeting with Kohaku shortly before his death.
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