Am I Just a Background Character? Only an Idiot Would Start the Main Story

[Cunning Protagonist, Cautious, Empress, Goddess of War, Demon Dragon, Princess, Decisive]

The protagonist is reborn and transmigrates, gaining the ability to choose options at key points in the story.

He uses this ability to gain all kinds of advantages.

On his first day, he obtains the Dragon Clan's sacred treasure, Dragon Gall.

Then his sect kicks him out, only for the other three great sects to fight over him. They all scramble to give him treasures and make him their junior apprentice, showering him with affection and grooming him as a candidate for sect leader.

Can the protagonist achieve the life of his dreams through his own efforts?

Read on and I'll tell you.

(The story already has a complete outline. As long as you show your support, I'll give you a perfect story and a perfect ending.)