Tsukune is central as he is the character around whom the harem forms. Moka is often a key figure in the harem, with her alluring vampire nature and the mystery of her two personalities. Kurumu, with her seductive succubus powers, also adds a lot of drama and romantic tension. Yukari, the young and sometimes mischievous witch, brings in elements of magic and her own brand of charm to the story.
Well, Tsukune is of course one of the main characters. He's the human who gets involved with the supernatural world of the Rosario Vampire universe. Then there are the members of his harem. Moka is a very important character. She's a vampire and has a split personality, which makes for an interesting dynamic in the fanfiction.
First, you need to understand the characters well. Research the Rosario Vampire universe to know the personalities, powers, and backgrounds of Female Tsukune and the potential harem members. Then, create an interesting premise for the harem. It could be something like a prophecy that ties Tsukune to the others. Also, develop the relationships gradually. Don't make the characters fall in love immediately. Let there be tension, misunderstandings, and moments of growth. For example, a harem member might initially dislike Tsukune but then slowly realize her good qualities.
One popular story might be about Tsukune's growth within the harem. He could be facing challenges like protecting his harem members from other supernatural threats. Another could focus on the unique relationships he forms with each member of the harem, exploring their different personalities and how they interact with Tsukune.
One great fanfiction could be one where Kurumu and Tsukune go on a secret adventure together in the Rosario Vampire world. It might involve them facing a new type of monster that no one has ever seen before. This would test their relationship and how well they can work together.
Ginei is a character that can't be ignored. His werewolf nature and his rivalry with Tsukune, especially when Tsukune has godlike powers, can create a lot of tension. He could be trying to prove himself as strong as Tsukune or trying to take over the leadership at the academy. Also, Ruby with her unique vampire powers and her connection to other characters can be a very popular character in the fanfiction.
Tsukune himself is quite interesting. He's a human in a world full of vampires, which makes him an outlier. His journey of adapting to this new world and developing his powers is always engaging. Moka is also a great character. Her dual personality, with the sweet outer self and the more powerful vampire self, adds a lot of depth. Inner Moka especially is a force to be reckoned with. And then there's Kurumu, the succubus. Her pursuit of Tsukune in the fanfiction can lead to some really fun and flirty storylines.
First, know the characters well. Tsukune is a complex character with his own growth arc. Make sure to stay true to his personality. Also, understand the world of Rosario Vampire, like the different monster species and their cultures. Then, come up with an interesting plot. It could be a new adventure for Tsukune or a different take on his relationships.
Tsukune is of course one of the main characters. He is often the center of the story around which the harem revolves. Then there are usually female characters like Moka, Kurumu, and Yukari. Moka can be both sweet and strong, Kurumu is flirty and confident, and Yukari is cute and mischievous.
Tsukune Aono is often a central character. As a human in a school full of monsters, his reactions and growth throughout the fanfiction are usually interesting. His relationships with the female characters in the harem, like Moka Akashiya, are key elements of many stories.
Tsukune's vampire form in fanfiction can vary greatly. Some authors might focus on the emotional aspect of him dealing with this new side of himself. He could struggle with the urge to feed on blood, or he might embrace it as a part of his new identity. Additionally, his relationships with other characters, especially Moka, can be significantly affected by his vampire form.