The following bus routes between Kumamoto and Nobeoka will be operating (with increased service) for a limited time as follows:

Period: Friday, December 2023, 12 to Wednesday, January 29, 2024
Route: Takachiho (Kumamoto Station - Nobeoka Station)

See below for details.
Sanko Bus website:https://www.sankobus.jp/bus/takachiho/jikoku/