The second collaboration between the TV anime *Attack on Titan* and JR Central’s “Oshi-Tabi” campaign, titled “Osaka Investigation Operation,” will take place from October 8 to December 21, 2026, aboard the Tokaido Shinkansen and throughout Osaka City. A digital stamp rally featuring original voice recordings from Eren, Levi, and others will be held at 12 locations. Prizes include a card set for Shinkansen riders, stickers for completing the course, and 17 types of limited-edition merchandise available at the Kiddy Land Osaka Umeda store.