With Li Jing's exclusive card, if you lose, you will get a broken bone. It is a simulation strategy game developed and distributed by ProjectMoon. It takes the concept of "library warfare simulation" and features cards and dice. In the game, players play the role of librarians, invite all kinds of guests to visit the library and fight with them to the death, and decide the success or failure of the battle through the dice dropped in the selected cards, and finally win a "book" that records their lives.