Taiga Saejima's "Another Drama" component in Yakuza 5 is set in Hokkaido. It's not clear why Saejima is up in the mountain wilderness, but he loses consciousness and is rescured by an old man who tells him of a legendary beast known as "Yama Oroshi."
Saejima will have to hunt for food to survive, making use of his hunting gun, traps, and stealth to approach mountain beasts. The changing weather will provide visual hinderances and also eat up Saejima's energy.
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