Choso and his two brothers, Kechizu and Eso are incarnated Cursed Womb: Death Paintings No. 1-3. Choso initially sided with Kenjaku's alliance with Mahito until he discovered one of the curse user's past identities was the cruel father of the Death Painting Wombs, Noritoshi Kamo. He also found out that Yuji Itadori is another relative of Kenjaku's and has aligned himself with his new "younger brother".