Tsubo Tsukai

was a Yōkai who utilized a strange urn, Kokochu, to control Miroku's guardian, Mushin. He was hired by Naraku to kill Miroku through Mushin in exchange for a Sacred Jewel shard. He was exterminated by Sango's Hiraikotsu.

Media appearances
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Manga

 * Chapter 102
 * Chapter 104
 * Chapter 105

Anime
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 * Episode 28

Tsubo Tsukai Kokochu 壶使者