On special occasions such as the Obon Festival, this train provides auxiliary service in place of the Limited Express 'Tango Discovery,' which has a limited transportation capacity, and runs up to Higashi-Maizuru Station with a full-scale train set of seven cars.
なおお盆などには輸送力が少ない「タンゴディスカバリー」の代役として走るが、その場合は7両フル編成で東舞鶴まで運転される。