Hidden Things in the Fog: Exploration of Bureau 749

In the distant land of China, there is a mysterious Wuyin Mountain. The mountain is shrouded in thick fog all year round, as if it were wrapped by nature with a huge piece of white silk. People spread various legends about Kirigakure Mountain. Some people say that there are gods living on the mountain who can call the wind and rain; others say that there are terrible monsters hidden in the mountain that will devour all intruders.