In 'natsu leaves fairy tail harem fanfiction', a common storyline could be that Natsu leaves to seek his own power or identity outside of the guild and the harem. The female characters then form a sort of search party to find him. Along the way, they encounter different challenges that make them grow both as individuals and in their relationships with each other. This could also lead to some of them realizing that they don't just want Natsu back for the sake of the harem, but because they truly care about him as a person.
Another interesting plot could be that Natsu leaves Fairy Tail to follow in the footsteps of a long - lost relative who was also a powerful mage but had some sort of connection outside of the guild. Along the way, he meets new allies and enemies, all while the Fairy Tail members are trying to bring him back.
One popular storyline is Natsu going on adventures with different members of his harem. For example, he might team up with Lucy to explore a mysterious new land filled with powerful magic. Another is the harem members getting jealous of each other's time with Natsu, which leads to some comical and heartwarming moments. There are also storylines where Natsu has to protect his harem from a powerful dark force.
One possible storyline could be that the OC tries to find Natsu after he leaves Fairy Tail. The OC might have a special bond with Natsu and be determined to bring him back. They could go on a journey where they face various challenges and meet new characters along the way. Another idea is that the OC is actually the reason Natsu leaves Fairy Tail in the first place. Maybe there was a misunderstanding or a conflict between them that led to his departure, and the story could be about how they resolve it.
One interesting natsu leaves fairy tail fanfiction could be about him going on a solo adventure to discover his true power. He might face challenges that he couldn't in the guild and grow in ways unexpected. Maybe he meets new characters who teach him different forms of magic.
One interesting storyline could be Natsu and Wendy going on a special mission together. Maybe they have to find a rare magical item that can save the guild. Along the way, Natsu's impulsiveness gets them into some trouble, but Wendy's healing magic and calm nature help them get out of it.
One possible plotline could be Natsu turning dark due to some external dark magic influence and his journey to regain his former self while away from Fairy Tail. Maybe he teams up with some unexpected allies.
Lucy is usually one of the main female characters. She has a deep bond with Natsu through their adventures together.
One interesting plot idea could be Natsu going on a special quest with each member of his harem separately. This would allow for character development of both Natsu and the individual harem members. For example, when he's with Lucy, they could discover a new type of celestial spirit magic that only works in a specific, long - lost realm. Another idea is that an enemy targets Natsu's harem to get to him, so he has to protect them all while also dealing with his growing feelings for each of them.
One interesting storyline could be where Naruto characters end up in the Fairy Tail world and vice versa, and they form a harem. For example, Naruto might meet Lucy from Fairy Tail and they start an adventure together, gradually attracting other characters into their group that develops into a harem. This could involve them facing common enemies from both universes.
Gray would be shocked at first. He and Natsu have a long - standing rivalry - but also a deep friendship. He might initially be angry that Natsu would just leave like that, but then he would realize how much he'll miss him. He might also feel a sense of loss for the guild as a whole, since Natsu is such an important part of it.