Maybe the princess is a long - lost relative of Naruto's. Their relationship starts as a family - like bond, but as they grow older, they realize there are deeper feelings. This could involve them uncovering secrets about their shared past and how it impacts their future together.
Perhaps Princess Celestia discovers a strange portal and on the other side is Naruto's world. She decides to explore and teams up with Naruto. They then have to face a common enemy that is threatening both of their worlds. This would create a lot of action - packed scenes and opportunities for character development.
One idea could be that Naruto has to protect Princess Chiyo during a diplomatic mission gone wrong. Enemies target the princess to disrupt the peace talks between their land and the Hidden Leaf. Naruto uses his unique skills and his never - give - up attitude to keep her safe and in the process, they develop a mutual respect for each other.
One idea could be that Naruto is sent on a mission to protect Princess Yuki. During this time, they discover a common enemy who is plotting to overthrow the princess's kingdom. Naruto uses his ninja skills and the princess uses her diplomatic knowledge to outwit the enemy.
A plot could involve the Princess of Whirlpool being the key to restoring an ancient bond between the Hidden Leaf and the Whirlpool Country. Naruto, being the hero of the Leaf, is tasked with escorting her safely. Along the way, they face challenges that test their friendship and Naruto discovers that the princess has a prophecy related to his own destiny.
Well, perhaps the Snow Princess is being hunted by an evil organization that wants to use her for her powers. Naruto stumbles upon her while on a journey and vows to protect her. As they travel together, Naruto teaches her how to be more confident in herself, like how he overcame his own insecurities in the Ninja Academy. And in return, the Snow Princess shows Naruto how to control a new type of chakra related to ice that she has mastered. This new power could come in handy when they face the final boss of the organization.
Maybe Princess Kuyoki is kidnapped and Naruto, being the hero he is, goes on a quest to rescue her. Along the way, he discovers secrets about her past and her connection to a powerful force that could change the ninja world. This could lead to a romantic relationship between them as they fight against the odds.
One idea could be exploring the backstory of the liar. Maybe he had a difficult childhood that led him to be untruthful. For example, he grew up in a family where honesty was not rewarded. Another could be focusing on how the lover discovers the lies bit by bit. It could start with small things like forgotten promises and gradually lead to bigger revelations. And a third idea is to have a parallel story of another couple in the same universe, whose relationship is affected by the liar and his lover's situation.
The dark mystic lover could be a shape - shifter from a hidden realm. He disguises himself as a human and falls in love with a human artist. The artist unknowingly starts to draw pictures of his true form, which attracts the attention of dark forces. Their love then becomes a battle to keep her safe from these forces and for him to reveal his true self without scaring her away.
Perhaps Percy is chosen by the gods to be a mediator in a great council. He has to deal with the bickering and power - plays of the gods. He uses his experiences with both the mortal and divine worlds to bring some order. Along the way, he uncovers secrets about the gods' past that could change his relationship with them forever.
One idea could be Percy using his skills in a chaotic new world filled with strange mythical creatures that no one has ever seen before. He has to navigate through this chaos and find a way to bring order to this new part of the mythical realm.