Exclusion Zone: Shadow Island (Alibi+ ) [2017] [RJ200751]

Description:
Synopsis Rumor is Shadow Island wrapped in a mystery that can only land at a certain time.
The United Nations official does not admit its existence publicly and is not positionally marked on the map.
A certain great country repeatedly sent investigators to the island, but neither was unknown as soon as it landed.
And in 197x AD, a supernatural phenomenon expert, a girl in the court name “AX”, was asked by the government and began investigating the island.