- Overview:
- The series 24 sleeper limited express Hokutosei debuted in 1988 with the opening of the Seikan Tunnel, linking Honshu and Hokkaido and operating between Ueno and Sapporo.
- Praised for hotel-style service, Hokutosei reached a peak operation of three round trips.
- The passenger cars used on Hokutosei included many variations and fittings. Among them, the series OHA 25-500 appeared as JR East lobby cars, with four cars introduced between 1988 and 1989.
- The OHA 25-500 cars featured a shooting star exterior design and interior amenities including a lobby, shower room, and vending machines, creating a luxurious onboard atmosphere.
- Features and specifications:
- Faithfully models JR East Oku Car Depot cars from the late 1990s with a distinctive window arrangement different from the original series 24.
- Accurately reproduces the blue body with a gold waist band characteristic of Hokutosei cars.
- Orohane 24 and Sushi 24 two-car set:
- Produces car numbers differing from the existing product (3-515 series 24 Hokutosei 4-car basic set), featuring SUSHI 24-506 and OROHANE 24-552.
- Sushi 24 lamp shades light in warm white for a realistic glow.
- Interior details:
- Curtains visible through each side window are separately modeled as individual parts (Orohane 24 and Orohane 25 represent only the lower-deck curtains).
- Body printing:
- All cars come with printed car numbers, end markings, and class displays.
- Silver finish reproduced on scuff plates and door rails for added realism.
- Couplers:
- Equipped with KATO telescoping close-coupling automatic couplers.
- DCC friendly for model railroad digital control systems.
- Compatible with interior lighting kit Kato 7-504