Cthulhu+military science fiction+mysterious organization+agent
Li Lin, a member of the Navy's special commando team, was involved in a supernatural incident during a special mission. He joined a special department and started a series of experiences.
On the edge of reason and madness, the oldest military spirit of mankind - sacrifice, discipline and protection, become the last weapon against the abyss of the universe. Build a wall in silence and watch in darkness.
