- The JR Kyushu Bus route connecting Kagoshima City and Satsuma Town, known as the Hokuzatsu Line, will celebrate its 77th anniversary in 2024. In commemoration, JR Kyushu Bus has launched its first retro national railway bus design.
- The retro design features the traditional national railway bus colors, consisting of a white base with blue stripes, combined with motifs of wheels and swallows.
- This set includes both the retro national railway bus design and the current REDLINER design as a two-bus set, showcasing both old and new color schemes.
- Compatible with Moving Bus System.
- Compatible powered chassis is <BM-04> sold separately.