Ultra Universe: My Emperor is Invincible in the World

With Tiga as the main plot, I will write stories about the Showa, Heisei, and new generations. (I am a novice novelist, and I want to make up for some small regrets when I was a child. If there are any shortcomings, I hope everyone can discuss them together) Character Setting Character 1 Male Protagonist: Chen Yu Female Protagonist: Iruma Hui, Camilla........... Chen Yu was electrocuted because his fishing line was entangled in a high-voltage line one day. After waking up, he found that he had traveled to the Tiga world and awakened the sign-in system of all worlds. When a person from another world comes to this world full of dangers and challenges, how much sparks can he arouse? ...