Source: https://www.tokyocowboy.co/articles/doai-eki-japans-creepiest-station
Brutalist, imo because of the concrete, dark train station inside a mountain in Japan.
A minor note: in the name Doai-eki (土合駅), the eki (駅) part means "train station". So "Doai eki train station" in English is a tad redundant. Kinda like The La Brea Tar Pits.