This is a tragic (lucky) story of an interstellar exile who was thrown into Gensokyo by a cannonball. Notes: 1. The author is a novice, but writing is not a novice. I have nothing to do with abandonment. 2. The author will not show common sense Sexual mistakes, such as Lingchaoqian problem and other mistakes that make people uncomfortable to read 3. The combat power of the male protagonist in this article is related to the mech, which is inversely proportional to the integrity 5. There is no fourth article