Higonyūdō

is one of the four gatekeepers that guard the entrance to Seireitei. He is the guardian of the.

Soul Society arc
Sōsuke Aizen hypnotizes him and the two other guardians so he could use them to give trouble to Ichigo Kurosaki and his friends. However, he was stopped by Jidanbō Ikkanzaka and Kūkaku Shiba.