ONE has launched a new Japan Korea Shuttle (JKS) offering a high frequency service that connects Busan, Tokyo, Nagoya, Kobe, Busan, Kobe, Nagoya, Tokyo, Busan from 3 April 2026. The service turns in 21 days using 3 ships on alternate rotations with the Japan Shuttle West calling Tokyo first while the Japan Shuttle East will call at Kobe first to provide the fastest connections to and from Busan. It will replace the OCEAN Alliance FP1 service that provided direct connections from the 3 Japanese p