Milano Collection A.T.
On February 18, 2006, Kudo made another return to IWC, losing to fellow Japanese worker Milano Collection A.T. On February 24, Kudo entered Chikara's 2006 Tag World Grand Prix, teaming with fellow DDT worker Mikami. During the first night of the tournament, Kudo and Mikami first defeated Larry Sweeney and Mana in their first round match and then Team Kaientai Dojo (Miyawaki and Yoshiaki Yago) in their second round match. Two days later, Kudo and Mikami were eliminated from the tournament in the quarterfinals by Delirious and Hallowicked. On March 17, Kudo made his fourth and final appearance for IWA-MS, losing to Brandon Thomaselli in the final match of their trilogy against each other. The following day, Kudo was defeated by Hentai at an IWC event.