Aoki Ao no Atopos

A surveillance ship operated by the company Ferret returns after going missing, but all 115 people aboard have vanished without a trace. Masato’s sister works for Ferret, and he is assigned to bring her supplies for an investigation of the ship and its lost crew. At the company, Masato meets Uto, whose brother also disappeared aboard the vessel. Together, they set out to uncover the mysteries of the unknown island where the missing crew was left.