The fifth season of the game was called "The Spirit of the Food Halberd: The Dish of Hao," adapted from the original manga of the same name drawn by Saeki Toshi. The Ova is divided into three parts, namely,"The Train of the Far Moon","The Train of the Far Moon" and "The Train of the Far Moon". The story was about the male protagonist, Yukihira Shojin, and the other chefs who had a cooking contest on the train.
While waiting for the anime, you can also click on the link below to read the classic original work of " Full-time Expert "!
In many cases, OVA anime aren't a core part of the manga. They can offer supplementary content or alternate perspectives, but they don't typically influence the main manga storyline.