[1] A third car, KiHa 140-2066, formerly used in the Hayato no Kaze DMU set, was rebuilt in 2012 to Ibusuki no Tamatebako style, entering service from 24 March 2012.

[3] The train features totally new interiors with extensive use of wood for flooring, wall panels, and seating.

Some seats are arranged facing the windows on the seaward side of the train.

[3] The Ibusuki no Tamatebako service was introduced on 12 March 2011, coinciding with the full opening of the Kyushu Shinkansen.

A third car, KiHa 140-2066, was modified and added to formations at weekends and busy seasons from 24 March 2012.