When it opened on 17 September 2004, its floor space was the largest in Kagoshima, surpassing the Yamakataya department store.

In 1984, Kagoshima city council and Japanese National Railways, the precursor of JR, made this plan public.

Construction of the building started on 18 March 2003, and it was completed in January 2004, when the list of tenant stores was announced.

Combined sales for 2004 to 2005 were 19.1 billion yen, and the number of visitors was 11.4 million, an average of 31,000 people a day.

[3] The average total number of daily passengers on Kagoshima city tram between Kagoshima-Chūō Station and Tenmonkan has increased.

The number of regular shoppers to Kagoshima city has increased because of the success in gaining many people from the surrounding areas, especially from Satsumasendai and Izumi.

[4] The number of visitors to Ichibangai shopping arcade located next to Kagoshima-Chūō station district increased by 20-30% due to the collaboration.[when?