A simple reason could be for adventure. Sakura might be tired of the daily routine in the village and yearn for new experiences outside. So she decides to leave to explore the world and test her skills against new opponents.
She may leave due to a prophecy or a vision she has. For example, she might see a future where the village is in danger and leaving is the only way to find a solution. So she ventures out, meets wise hermits or other powerful shinobi who guide her in understanding the prophecy better.
Chapter 378, ", Star Language Phone", is the clearest early answer because it turns Rage Bear Legion's situation into a concrete plot event. The chapter gives readers a real answer by opening on The so-called award ceremony was to commend Gu Hang for his... and ending on When the Rage Bear Legion was first established, it had only about a....
Chapter 667, ", must maintain respect for Gu Hang", is the clearest early answer because it turns Gu Hang's situation into a concrete plot event. The setup is This is one of the nine planets in the Tianma Star Sector, and it..., but the pressure keeps building through In terms of volume and area, it is the largest in the Tianma Star....
Chapter 335, ", Tax Season Again", is the clearest early answer because it turns Alliance's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Gu Hang and the senior officials of the Alliance Government designed... and follows through with The expenses supplied by the Alliance to support the Rage Bear Legion....
Chapter 473, ", The Chieftain's End", is the clearest early answer because it turns Alliance's situation into a concrete plot event. The chapter gives readers a real answer by opening on In a state of emergency, Titus had no choice but to act. and ending on The Green Skins' former flagship had already been destroyed by the.... In story terms, the chapter closes with Fortunately, the Alliance didn't seem to have any intentions in this regard.
Chapter 494, ", Courting Death by Showing Up?", is the clearest early answer because the violence around Fury Flame Battle becomes final instead of hypothetical. The chapter turns that into something concrete by moving from They are leaving without reaching any conclusions. to They would definitely engage in looting, which goes without saying..
Chapter 410, ", Don't Be Too Honest", is the clearest early answer because it turns Gu Hang's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Only if the numbers deviate greatly will the Empire intervene. and follows through with Will continue to work hard in March!. By the close, Having invested 200,000 into the Phoenix, Gu Hang was no longer too..., and the chapter closes with Couldn't finish paying off in February...
Chapter 667, ", must maintain respect for Gu Hang", is the clearest early answer because it turns Parliamentary Faction's situation into a concrete plot event. A useful checkpoint is the way the scene starts with This is one of the nine planets in the Tianma Star Sector, and it... and follows through with Once we get our hands on the Fatchess Tri-Star, then we'll have the....
Chapter 458, ", You Dare Too?", is the clearest early answer because it turns Eagle Horse's situation into a concrete plot event. It opens with After secondary education, it was necessary to compete for higher... and closes on He was the Planetary Governor indeed, but no ruler could govern alone..
Chapter 422, ", Close Your Eyes, It Will Be Fine in a Moment", is the clearest early answer because it turns Green Skin's situation into a concrete plot event. The chapter gives readers a real answer by opening on By this point, Gu Hang's face was expressionless. and ending on What if they were really forced into a corner and had to take that....
Chapter 485, ", Marshal Gu", is the clearest early answer because it turns Gu Hang's situation into a concrete plot event. The chapter turns that into something concrete by moving from The Emperor began his rise to power here, unifying the entire world;... to In this sense, the rank of Marshal truly stands at the pinnacle....