On the first day of school, I was told: "You high school students will become the savior of the earth and the hope of mankind." " Then, when you join the academy, you can't get out of it again. Physical education teaches fighting, shooting, driving tanks, planes, and even mecha operations, and culture teaches technology that is more than 100 years ahead of the current earth. Zombies appear outside the dormitory door, and alien bugs occasionally appear on the playground. Every once in a while, a classmate inexplicably dies or disappears, and at the same time, new classmates are constantly joining. If you want to survive, you need not only strength, but more importantly, the desire to survive, and - the iron fist of justice! ...... compulsory courses Lesson 1 "School Revelation"; Lesson 2 "Muv-Luv"; Lesson 3 Valrhona of the Firmament...... ———— To put it simply, this should be an infinite flow of books, and the setting is different from other infinite novels, and the compulsory course is similar to the quest of the infinite class. There is no main god, and in its place is the interdimensional chaebol.