An exhibition event titled “Keihan Electric Railway × Sound! Euphonium: A History of Collaboration,” which looks back on past collaborations between Keihan Electric Railway and “Sound! Euphonium,” will be held at SANZEN-HIROBA in Kuzuha Mall from October 1 to December 20, 2026. The exhibition will feature photo panels of the wrapped train cars and life-size panels installed throughout the station, and the wrapped vending machine (Kumiko Kumae version) from this past spring will also be brought back.