A plot could be that the pet is actually a reincarnation of an old ally of Inuyasha's. It doesn't remember its past at first, but as time goes on, memories start to surface. This causes the pet to have a deeper connection with Inuyasha and helps him in unexpected ways, like using forgotten battle techniques or leading him to hidden places full of power - enhancing items for his fight against the demons.
One possible plot could be that the pet is a magical creature sent to guide Inuyasha on his quest. The pet has the ability to sense the Shikon Jewel shards from afar, leading Inuyasha to them more quickly. Another plot could be that the pet is a shapeshifter and gets into trouble by accidentally taking on the form of an enemy, causing chaos among Inuyasha and his friends.
Perhaps the pet is a lost spirit that Inuyasha befriends. As they travel together, the pet starts to regain its memories and reveals important secrets about the history of the Shikon Jewel and the demons. Or, the pet could be a cursed being, and Inuyasha has to find a way to break the curse while also protecting it from other demons who want to use its power.
Well, 'my pet inuyasha fanfiction' could be really interesting. Fanfiction often allows fans to explore different scenarios with their favorite characters. Maybe it's about Inuyasha having a pet, which could be a unique take on the original story. It might involve adventures where the pet plays a crucial role, like helping Inuyasha in battles or in his journey to find the shards of the Shikon Jewel.
One interesting plot could be that Inuyasha and Koga are forced to team up due to a common enemy that threatens their respective tribes. During their time together, they gradually understand each other better and their relationship evolves into a friendship that was unexpected at first. This newfound bond then affects how they interact with Kagome and other characters in the story.
One possible plot could be that Hermione accidentally casts a spell on Harry during one of their Hogwarts adventures, turning him into a pet. She then has to take care of him while trying to find a way to reverse the spell. Along the way, they encounter various challenges and have to rely on their friendship to get through.
Another plot could involve the mystery behind the pregnancy. Maybe there's some sort of magic or curse involved. For instance, a powerful demon might have cast a spell on the female character, resulting in the pregnancy, and Inuyasha has to find a way to break the spell while also dealing with the fact that he's about to become a father. This adds an element of adventure to the story.
A possible plot could be that the female lead has a paper pet which she has had since childhood. One day, she meets a mysterious man who is intrigued by her paper pet. As they get to know each other, they fall in love and get married. But after the marriage, she starts to notice strange things about her husband. He seems to have a hidden past related to the paper pet, like it was part of a long - forgotten family tradition that he is trying to revive through their relationship.
One possible plot could be that the two female protagonists meet in a very ordinary situation, like in a coffee shop. But as they get to know each other, they discover a deep connection that develops into a romantic relationship, and they have to deal with the reactions of their families and friends.
Another reason might be revenge. There could be a character who has a grudge against Inuyasha or someone close to him. So, they kidnap him to make him suffer or to use him as bait to draw out his friends. For example, if there was a demon whose family was slain by Inuyasha in the past, they might kidnap him for revenge.
One interesting plot could be that Yusuke from Yu Yu Hakusho gets transported to the world of Inuyasha. He teams up with Inuyasha and his group to fight a common enemy, like a powerful demon that is causing chaos in both their worlds. Yusuke's spirit energy could be a great asset in battles against the demons in Inuyasha's world.
Maybe the sludge villain has a sidekick or an accomplice who is enraged by his death. This person decides to take revenge on the heroes, especially the ones directly involved in the sludge villain's demise. They start targeting the hero's friends and family, creating a more personal and dangerous threat for the heroes.
One possible plot could be that the 'lady of my heart' is a hidden princess among the fae. The protagonist discovers her true identity and has to protect her from those who want to use her power. Another plot might be a love triangle where the 'lady' is caught between two powerful characters in the 'Lost Girl' world.