A good plot could be that the male reader is a normal guy who gets caught in the middle of a fight between Spider Gwen and a powerful villain. Spider Gwen saves his life, and he becomes determined to help her in any way he can. He starts training to be her sidekick of sorts, and during this process, they develop feelings for one another.
Perhaps a plot where a powerful villain uses a device to swap the powers of Naruto and Gwen. Naruto has to figure out how to use Gwen's spider - powers while Gwen has to deal with Naruto's ninja abilities. This would lead to a lot of comical and action - packed situations. They would also have to find a way to reverse the power swap and defeat the villain who caused it in the first place.
Perhaps there's a fanfiction where Spider Man and Spider Gwen accidentally swap powers. They have to learn how to use each other's abilities to fight crime. This would lead to some really funny and also challenging situations as they get used to different ways of web - slinging and sensing danger.
Maybe in the fanfiction, Spider - Gwen gets lost in the future where Spider - Man 2099 exists. He has to help her get back to her own time while also protecting his own version of New York from the chaos her presence might bring. They could learn from each other's fighting styles and develop a unique bond in the process.
A possible plot is that Spider - Man and Spider - Gwen discover that they are related in some unexpected way through a long - lost family connection. This revelation shakes their relationship as they struggle to come to terms with it. They could also be pitted against each other by a powerful enemy who uses mind - control, and they have to break free and remember their true friendship.
One idea could be that Naruto is somehow transported to Spider - Gwen's universe. He teams up with her to fight a common enemy, like a powerful villain who has the ability to manipulate chakra and spider - powers. They learn from each other's fighting styles, with Naruto teaching Gwen about ninjutsu and she shows him some new acrobatic moves.
One common plot idea is that they team up to fight a new villain that is specifically targeting their relationship. This villain might be someone who doesn't want Spider - Man and Spider - Gwen to be together because their combined power would be a threat.
Well, a cool plot could be that Gwen Stacy discovers Spider - Man's secret identity before they even start dating. She then has to decide whether to keep it a secret or tell him she knows. Also, a story where they are both trapped in a virtual reality world created by a tech - savvy villain would be exciting. They'd have to use their wits and skills to break free. And a third idea could be that Gwen Stacy gains temporary superpowers and she and Spider - Man swap roles for a while, with her being the one to protect the city while he offers support from the sidelines.
One idea could be that Spider Gwen and Miles Morales have to team up to stop a new villain who has the ability to manipulate time. This would put their relationship to the test as they struggle to work together while also dealing with the chaos of the altered timelines. Another plot could involve them traveling to an alternate dimension where their roles are reversed, and they have to learn to adapt to each other's usual situations. A third idea is that they discover a long - lost relative who has superpowers and they must decide whether to trust this new person or suspect them of having ulterior motives.
One idea could be that Miles and Gwen team up to stop a new villain who can manipulate time. They have to race against the clock to figure out the villain's weakness before the city is frozen in a time loop. Another could be that they discover a parallel dimension where they are the only superheroes left and have to find a way to restore their respective universes.
A good plot might be that the male reader is an outcast in the village because of some special power he has. Kakashi is the only one who doesn't fear him and decides to understand him better. As they spend time together, they find that they have a lot in common and start to fall for each other. Or perhaps they meet during a time - travel incident where they have to fix something in the past. This adventure brings them closer and they realize their love for each other.