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This article is about a/an character in Kamen Rider Ex-Aid.

Seiichi Kuboyama (窪山 誠一 Kuboyama Seiichi) is the boyfriend of Yoko Horiuchi.

Character History

Behind the scenes

Portrayal

Seiichi Kuboyama is portrayed by Daiki Tsuji (辻 大樹 Tsuji Daiki).