A frequent theme is the growth of the characters within the harem setting. For example, they might learn about loyalty, trust, and love in different ways compared to the regular Power Rangers storylines. Also, there's often a theme of cooperation among the harem members, as they all support the Rangers in different ways, like in some fanfictions where the harem members use their unique skills to assist the Rangers in battles.
In Naruto, Naruto Uzumaki himself is often very popular. His determination and growth throughout the series make him an appealing character in fanfiction. In the context of a harem, his friendly and somewhat naive nature can attract female characters from both universes. From Power Rangers, the Red Ranger is usually a favorite. He represents leadership and strength, which are attractive qualities. In a harem fanfiction, he might be seen as a protector figure for the female characters. Also, characters like Sakura from Naruto are popular as she can add a bit of a love - triangle dynamic with Naruto and the Power Rangers characters.
One popular 'Power Rangers harem fanfiction' is 'Power Rangers: Harem of Heroes'. It has an interesting plot where the Rangers are in a unique harem situation. Another one could be 'Power Rangers: The Harem Adventure' which features some exciting character interactions within the harem concept.
One common plot device is the introduction of a powerful new threat that forces the characters from Naruto and Power Rangers to work together. This could be a super - villain who has the ability to cross between their two universes. Another plot device might be the discovery of a rare and powerful artifact that both groups are interested in for different reasons. For example, it could be a weapon that the Power Rangers see as a tool for good, but in the Naruto universe, it might be related to some ancient ninja magic. Also, a harem - related plot device could be the new female characters who are attracted to the male protagonists from both series, leading to some interesting relationship dynamics and jealousies among the characters.
Another plot could involve a magical or scientific experiment gone wrong that merges the Naruto and Power Rangers universes. The main character, who could be a combination of Naruto's traits and a Power Ranger, finds himself in a situation where he is surrounded by a group of female characters from both universes who are drawn to his unique abilities and personality. This could lead to a series of adventures where they have to fight against common enemies while dealing with their complex relationships.
The leader of the Dark Rangers is often a popular character. They usually have strong leadership skills and powerful dark abilities. For example, a character who can control shadows and use them to attack or defend.
One interesting concept could be the origin stories of the Dark Rangers. Maybe they were once good Rangers who were corrupted in some way, like being exposed to a powerful dark energy. Another concept could be their unique powers compared to the regular Power Rangers. Their powers might be more shadow - based or have a connection to dark magic.
The simplest way could be through a power - up item. For example, Naruto could find a special Power Rangers - like device that allows him to use their powers in addition to his ninja skills. Maybe it's a bracelet or a sword that channels the energy of the Power Rangers' Megazords. In this way, his harem of female characters from both universes could also be involved in the process of unlocking or enhancing these combined powers.
In fanfiction, a story about Tori from Power Rangers being pregnant could explore various themes. It might focus on how she balances her ranger duties with the pregnancy. Maybe her fellow rangers would be very protective, like they'd take on more tasks to ensure her safety. Also, it could show her emotional journey, from the initial shock to acceptance and preparing for motherhood.
I really like fanfictions about Power Rangers RPM. 'A Single Moment' might be about a crucial time in the story. It could be a moment of decision for one of the Rangers, like when they have to choose between saving a teammate or achieving a mission goal.