Dungeon of Knowledge - Chapter 128: Head Librarian

After his fall, the Duke who was distant with his wife and daughter recalled his memories of another world. With a new perspective on life, he swore to cherish and protect those two.

Many strange phenomena have been happening in Yin City. Li Ang—whose alias is Li Risheng—becomes embroiled in an absolute real game of life-and-death, known as Killing Field.Using his above average analytical and deductive skills, he completes different quests assigned by the system, such as eliminating supernatural beings or solving cases, while trying to unravel the true nature of the game.