I Am Invincible, but I Am Treated as an Assistant

One day, there was a loud noise in the sky. In a cemetery, the young man slowly opened his red pupils. I have never even seen the world, how can I get a world view? ! "We met, fell in love, and hurt each other." "Who owes love to whom, and who has been deceived?" "Who is more sad than the other..." "Thirty-Six Strategies of Love is just a game." "Don't take it seriously..." In the future, if you have no money, just tell your sister that she will support you. A few years later, in front of a grave. Kneeling young man: Sister! I have no money... The introduction is weak and the plot is a bit slow, so please be patient and read on.