Perhaps your OC is a guardian of a person who has a special ability that could change the balance of power in the world of Fairy Tail. A powerful enemy is after this person, and your OC has to use all their skills and wits to keep them safe. Along the way, they might have to face some tough decisions, like whether to trust some of the more mysterious characters in the Fairy Tail universe.
One idea could be that your OC is a guardian of a long - lost magical artifact from Fairy Tail's history. They have to protect it from a dark guild that wants to use its power for evil. Maybe they team up with some of the main Fairy Tail characters along the way, like Natsu and Lucy, and there are epic battles to keep the artifact safe.
Your OC could be a guardian of a special place in Fiore that has a connection to Fairy Tail. The place is starting to be affected by a strange magic, and as a guardian, your OC has to figure out what's going on. They could start by seeking help from the Fairy Tail guild. This could lead to a journey of discovery where they learn more about their own powers and the history of the place.
Chapter 410, "There's Something Wrong with This Lottery Box!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from Nina's voice had barely fallen when Pan Xing turned his gaze to Jiang...
Chapter 291, "To Hell with Sister Complex!", is the clearest early answer because it turns Brother Yan's situation into a concrete plot event. The chapter gives readers a real answer by opening on Early in the morning, Jiang Li's hospital room door was knocked.
Chapter 440, "You Know Fengshui Array?!", is the clearest early answer because it turns Array's situation into a concrete plot event. The chapter turns that into something concrete by moving from The scorching afternoon sun, wrapped with moist sea breeze, ascended...
Chapter 457, ""Back Against the Wall", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. Early on, Five minutes later, he stared at Yu Li with his twitching mouth.... By the end, How could he know what this mad fortune-teller was up to?.
Chapter 474, "Handcrafted Wooden Bed", is the clearest early answer because it turns Su Yinwan's situation into a concrete plot event. The chapter gives readers a real answer by opening on Although everyone besides Jiang Li and Shang Shuyue was red-faced and...
Chapter 100, "Ominous, there might be a bloody disaster!", is the clearest early answer because it turns Ominous's situation into a concrete plot event.
Chapter 185, "We Are the Real Team", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. Early on, He was so anxious that he immediately picked up the megaphone.. By the end, The next, she'd complain that the ground was too slippery to walk on..
Chapter 402, "The Survival Game Officially Begins!", is the clearest early answer because it turns Officially Begins's situation into a concrete plot event. The chapter gives readers a real answer by opening on What kind of face was it?
Chapter 230, "To use one's own method against them.", is the clearest early answer because it turns Shang Shaobai's situation into a concrete plot event. The chapter gives readers a real answer by opening on Shang Shaojing's expression wasn't looking too good either.
Chapter 80, "Princess Wen, Your Lunch is Escaping!", is the clearest early answer because it turns Potato Chicken Rice's situation into a concrete plot event. Early on, Jiang Yan and Wen Jiaojiao, one so smug he was almost ascending to....