What are some interesting plots in Ben 10 Vampire Harem fanfic?

Another plot could involve a competition within the harem. Maybe there's a school event where the members of the harem compete in various challenges, like a magical duel or a race, to win the protagonist's favor for a day. This would bring out different sides of each character in the harem.

Well, Ben is obviously one of the main characters. He brings his unique set of alien powers to the story. Then there are the vampire characters in the harem. Each vampire could have their own distinct personality, like a sultry and mysterious female vampire who is the leader of the harem, and a young, naive vampire who Ben has a special bond with.

One interesting plot could be Ben traveling back in time to meet his younger self and having to hide his identity while trying to prevent a future disaster that his younger self unknowingly causes.

One interesting plot could be the characters from Ben 10 teaming up with Midnight to face a new and powerful alien threat that neither could handle alone. They might have to combine their unique abilities and strategies to defeat the enemy.

Well, a plot might involve Ichigo going on a journey with his harem, and during the journey, they discover new powers within themselves and also face relationship challenges. For example, some members might be jealous of the attention Ichigo gives to others in the harem. It makes for an interesting dynamic as they all learn to work together and grow closer as a group.

One idea could be that Ben, with his Omnitrix, somehow gets transported to the DC universe and meets various female characters. Maybe he has to team up with them to stop a common threat, and during the adventure, relationships start to form. For example, he could work with Wonder Woman, and she is initially skeptical of his powers but grows to respect him.

One interesting plot could be a demon character entering Naruto's world and forming unique relationships with the female characters in a harem - like setting. For example, the demon might have special powers that attract the girls while also causing some conflict with Naruto's existing goals and friendships.

One interesting plot could be a hero in the Dungeons and Dragons world who gradually gathers a group of diverse female companions. They might start as strangers but bond over various quests, like slaying a powerful dragon that has been terrorizing the land. Each character in the harem could have a unique backstory and skills, such as a mage with the power to control the elements and a warrior who is an expert in sword fighting. The interactions between the hero and his harem members can range from romantic to friendly, and they all contribute to the overall adventure.

One interesting plot could be a trainer who accidentally stumbles upon a hidden realm where legendary Pokemon reside and they all develop a special bond with him, forming a harem. Another could be a story where a young researcher is chosen by the legendary Pokemon to be part of their world and ends up in a harem - like situation due to their unique connection.

Sometimes, the plot revolves around Percy and the members of his harem going on adventures together. They could be exploring new and mysterious places, and during these adventures, their relationships develop and they face challenges as a group. In some 'percy x harem fanfic', there are also plots where Percy has to deal with jealousy and rivalry among the harem members, which creates a lot of drama and interesting relationship dynamics.