Thank you for playing JR EAST Train Simulator. Thank you for your patience, we have started distributing the 13th DLC, "Koumi Line" today, January 30 (Tue.)! About the Route The Koumi Line is a 78.9 km long line connecting Kobuchizawa Station in Hokuto City, Yamanashi Prefecture and Komoro Station in Komoro City, Nagano Prefecture. The line was opened in 1919 by its predecessor, Saku Railway, between Koumi and Komoro Stations.