There might be a story where a succubus is summoned by a group of inexperienced magic users. Instead of causing chaos as expected, she ends up teaching them about the consequences of meddling with dark forces through her own experiences. This would be a rather unique take on the typical succubus narrative in fanfiction.
In some fanfiction, a succubus short story could involve a detective who is investigating a series of strange deaths. He discovers that a succubus is involved, but as he gets closer to the truth, he starts to have strange feelings for her. The story then delves into the moral and emotional dilemmas of both characters.
One interesting succubus short story in fanfiction could be about a succubus who falls in love with a human against all the rules of her kind. She has to struggle between her natural instincts to feed on his life energy and her growing feelings for him.
One interesting story could be about a succubus who is initially drawn to Naruto because of his strong chakra. She might start by observing him from afar during his training sessions. As the story progresses, she could find herself conflicted between her nature as a succubus, which is to feed on life force, and her growing feelings for Naruto. Another story could involve a succubus being sent to the Naruto universe as a spy but ends up befriending Naruto and his friends, and together they face threats from other dark forces.
There's a succubus story set in an old castle. Legend has it that a succubus haunted the place. People who stayed there at night would often hear strange whispers and feel an unseen presence. Some claimed to have seen a shadowy female figure, and it was believed that the succubus was luring men to their doom by making them fall in love with her apparition.
One interesting 'Harry Potter Succubus' fanfiction could be one where the succubus character is a new threat in Hogwarts. She might use her charm to manipulate students and teachers alike. For example, she could try to get Harry Potter to do her bidding by using her alluring powers.
A Highschool DxD succubus fanfiction could focus on the relationship between a succubus and a human student. The human might be initially afraid of the succubus, but as they get to know each other, they form an unlikely bond. This bond could then be tested by various events in the school, like other supernatural beings being jealous or trying to break them apart.
One interesting succubus mom story could be about a succubus mom who tries to protect her half - human child from the dark forces of her own kind. She might use her powers in unexpected ways to keep the child safe.
One interesting story could be about Vidaldus' encounter with the Fairy Tail guild in a unique situation. Maybe she has to team up with some of the members to fight a common enemy. In this fanfiction, the author might explore her character more deeply, showing her different sides compared to what we see in the original work.
One possible plotline could be Harry's struggle to control his new succubus powers. For example, he might have to deal with the sudden urge to feed on energy in inappropriate situations. Another could be how he hides his true nature from his friends at Hogwarts, like Hermione and Ron, while still trying to figure out what it means to be a succubus in the wizarding world.
Moka could be an interesting succubus character in Rosario Vampire fanfiction. Her dual nature as a vampire and having succubus - like traits in some interpretations can lead to really complex storylines. Another could be Kurumu, with her seductive nature which is a characteristic often associated with succubi. She has her own goals and desires that can be explored further in fanfiction.
A possible plot is that Hermione, as a succubus, discovers a connection between her new form and an ancient magic in the wizarding world. Harry and Hermione then team up to explore this connection and in the process, they uncover secrets about the origins of magic that were long forgotten. This could involve delving into ancient texts and visiting mysterious places.
One idea could be a forbidden love story where a human falls in love with a succubus. The succubus is initially only interested in his energy but gradually develops real feelings. Another could be a story set in a magical academy where a succubus uses her kiss to gain an advantage in a competition, but then finds herself falling for one of her rivals.