What will happen when the ace pilots of various machine warfare works travel to a different world? When the enemy changes from a high-tech robot to a monster in a fantasy novel and a machine soldier who can use magic. When the battle between people increases to Orcs, elves and other strange races. When the technologically advanced modern times come to pseudo-medieval Europe with crooked technological trees... Well, the characters of various machine warfare works are thrown into different worlds and find a way The story of going home == My brain hole is really getting bigger and bigger == The original name of the book: Gundam Species Life in a Different World Saint Machine Story