Well, it could be that Naruto is somehow transported to the Green Lantern universe and is neglected by the Green Lantern Corps at first. Maybe they see him as an outsider and don't trust him. But Naruto, with his determination, starts to prove himself by using his ninja skills in a way that the Lanterns eventually come to respect.
One idea could be that the Green Lanterns are dealing with a major threat and they neglect Naruto who has come to offer his help. Naruto, feeling snubbed, decides to take on the threat on his own terms. He uses his shadow clone jutsu in creative ways to gather information about the enemy. As he starts to make progress, the Green Lanterns realize their mistake and then team up with Naruto to defeat the common foe.
Maybe an alien race that the Green Lanterns have underestimated. They see Naruto as an easy target since he's being neglected. But Naruto turns out to be more of a challenge than they thought. This alien race could have some sort of power that nullifies the Green Lantern rings, but Naruto's ninja skills are still effective against them.
In a 'green lantern naruto fanfiction', it could start with Naruto on a solo mission and stumbling upon a crashed Green Lantern ship. He discovers the ring and when he puts it on, he's instantly connected to the Green Lantern Corps. He has to balance his training as a ninja with learning the complex abilities of the ring. He could use his chakra in unique ways in combination with the ring's power to create new and powerful attacks against villains from both universes.
Well, perhaps in this fanfiction, Naruto is somehow transported to the Batman universe and is neglected by the local heroes at first. He then has to prove himself by using his ninja skills in Gotham's dark alleys, like using his shadow clones to confuse the bad guys and his speed to catch the elusive criminals.
Maybe the Green Lanterns discover Naruto's world and are intrigued by the concept of chakra. A Green Lantern could team up with Naruto to stop an enemy that is threatening both universes. The Green Lantern could use their ring's power while Naruto uses his jutsus, and they could learn from each other's combat styles and abilities.
Well, a cool plot could be that the Green Lanterns discover the Naruto universe and they see Naruto as a potential threat because of his powerful jutsu. But as they interact, they realize he has a strong sense of justice. So they offer him a Green Lantern ring. Naruto then has to learn how to use it while also dealing with the enemies in his own world who see his new power as something to be feared or conquered.
In the 'naruto neglected by his mother fanfiction', Naruto may have a different approach to his ninja training. Instead of being motivated by the desire to be recognized like in the original story, it could be a way for him to escape from the pain of his mother's neglect. He might train harder and more recklessly, putting himself in danger because he doesn't really care about his own well - being as much, since he feels so unloved at home.
Well, a 'Naruto Green Lantern lemon fanfiction' might be a wild combination. The Naruto world with its ninja powers and the Green Lantern's power ring could create some really interesting scenarios. The 'lemon' aspect could mean that there are some more adult - themed interactions, but if we're avoiding that, it could just be some intense emotional or passionate non - sexual relationships between characters from the two universes. For example, Naruto might team up with a Green Lantern to fight a common enemy and form a deep bond during the process.
One possible plot development could be that Naruto's friends in Konoha realize he's missing and start a search mission. They might suspect Kumo immediately due to the history of tensions between the two villages. Meanwhile, in Kumo, Naruto could be held in a secret location. Some in Kumo might want to use him as a bargaining chip against Konoha, while others might see his potential and try to turn him into an asset for Kumo.
In this type of fanfiction, Naruto could have a different attitude towards authority. As his parents are neglecting him, he might not have that natural respect for figures of power. He may question the village's system more. Also, his dreams of becoming Hokage could take on a new meaning. Instead of just seeking recognition, it could be a way for him to create a family - a village where no one is neglected like he was by his parents.
Well, if Naruto had a Green Lantern ring, he would be extremely powerful. His already formidable willpower from his ninja training would be amplified by the ring. He could create constructs of his shadow clones, or use the ring's energy to enhance his Rasengan. It would be a whole new level of combat for him, combining the powers of the ninja world with the abilities of the Green Lantern Corps.