Is Golden Kamuy: Saishuushou - Bousou Ressha-hen finished?

As of now, Golden Kamuy: Saishuushou - Bousou Ressha-hen has not yet released.

When did Golden Kamuy: Saishuushou - Bousou Ressha-hen premiere?

Golden Kamuy: Saishuushou - Bousou Ressha-hen premiered in Winter 2027.

Sequel to the fifth and final season of Golden Kamuy.