The female characters can also have different reactions to Sonic's actions. If Sonic shows kindness to one, the others might get jealous. Or if Sonic is in trouble, they each might try to be the one to rescue him, leading to some interesting and sometimes chaotic interactions.
In some fanfictions, they also form friendships despite their shared interest in Sonic. They might team up to save Sonic from a danger, realizing that their feelings for him also mean they want to protect him together. This shows a more complex side to their relationships.
They often compete for Eren's attention in a friendly way. For example, they might show off their skills or knowledge to impress him.
The interactions can also be based on mutual goals. Say there's a threat to both Sonic's world and Equestria. Sonic and the ponies would have to communicate and combine their strengths. Sonic could use his speed to scout ahead and the ponies could use their magic to hold off enemies. They might also share their knowledge with each other. Sonic could teach the ponies about technology from his world, and the ponies could teach Sonic about the magic spells and potions that exist in Equestria.
In some fanfictions, the Uchiha characters might also introduce Naruto to the unique aspects of their clan's culture. This could lead to Naruto having a newfound respect for the Uchiha. Their interactions could range from light - hearted banter during training sessions to more serious discussions about the future of the ninja world. The harem aspect adds an extra layer of complexity to these relationships as Naruto has to balance his feelings and relationships with multiple Uchiha characters.
Well, often the female characters in these fanfictions are very protective of Ash. For instance, Misty might get jealous if another girl gets too close to Ash. They also support Ash in his Pokemon battles. Like May could give him some useful advice on contests that can also be applied to battles sometimes.
Some characters in the harem might be very protective of Kirito. For example, Asuna could be constantly looking out for his well - being in and out of battles. Others might be more flirtatious, like Sinon, who could use her sharpshooting skills to show off in front of Kirito. And then there are those who are more like friends first, like Klein, who would joke around with Kirito and also be there when he needs serious support.
Sonic would probably be really curious about Naruto. He'd be intrigued by Naruto's ninja abilities, like his ability to run up walls or create clones. Naruto, on the other hand, would be amazed by Sonic's speed. He might try to keep up with Sonic at first, which would lead to some funny moments. Tails could be the one to explain to Naruto how things work in the Sonic world, while Naruto could share stories about his own world with the Sonic gang.
Female characters might feel a strong sense of belonging and pride on a female - ruled planet. They could be more confident in expressing their abilities and ideas without fear of male - dominated suppression. For example, a female Jedi might find a more receptive audience for her unique approach to the Force on such a planet.
The characters interact in various ways. Spider Man is often the central figure, and the female characters in the harem might start off as just friends or allies. For example, Mary Jane might be initially jealous if other characters join the harem. But as the story progresses, they learn to work together and support each other. They might train together to fight villains, like Spider Man teaching some of the less experienced characters new combat moves.
When they meet for the first time in fanfiction, Sonic could be running from Dr. Eggman and accidentally runs into Tails' hiding place. Tails is scared at first, but Sonic quickly reassures him. They start talking, and Sonic is amazed by Tails' intelligence and his ability to build things. Tails is inspired by Sonic's courage and they become friends right away, sharing their goals of stopping Dr. Eggman.
In 'izuku x harem community fanfic', the characters interact in various ways. Often, Izuku is the center of attention. The female characters in the harem might compete gently for his time and affection. For example, they could try to outdo each other in helping Izuku with his hero training.