Rescue of Quick Transmigration

Concise version: A story of a man crossing over to save the world (what the hell) Dialogue version: System: To save the world.Let's go~ Protagonist: (smiling) Hehe, the protagonist is attacking. The protagonist is attacking.Say the important thing three times~ If you have anything you want to see, dear friends, please post it in the comments or private message. The author will accept it, but it may not be well written, so don’t shoot it. After all, the author is a science student~(PS: Dear friends If you want to travel to the world, please write the world information, strategy characters or quests. Meh~╭(╯ε╰)╮)Content label: Quickly travel to the future overhead system┃ Search keywords: Protagonist: Su Mo┃ Supporting role: System