Another plot could be that an old enemy returns and puts a curse on Kagome that makes her forget Inuyasha. Inuyasha then has to make her fall in love with him all over again. He shows her all the things they did together, the places they visited, and the battles they fought side by side. Through this process, their love becomes even deeper as Inuyasha realizes just how much Kagome means to him.
Maybe a plot where Inuyasha and Kagome accidentally swap bodies. This would lead to some really funny and also some very touching moments. Inuyasha in Kagome's body would start to understand her better, like how she has to deal with the pressure of her family and school. And Kagome in Inuyasha's body would see how lonely he has been and how much he actually cares for her.
One plot idea could be Inuyasha and Kagome getting lost in a mysterious forest together. As they try to find their way out, they have to rely on each other more than ever, which deepens their puppy - love. Another could be a situation where they have to take care of a small, magical creature. This shared responsibility brings them closer. Maybe there's a time - traveling incident that separates them from their friends and they have to survive alone in a strange era, which makes their bond stronger.
One idea could be the challenges they face in protecting their unborn child from the various demons that still lurk. Another could be how their relationship evolves during the pregnancy, with Inuyasha becoming even more protective. Maybe Kagome has to deal with newfound powers or sensitivities related to the pregnancy.
Another idea is that Inuyasha's full - demon form attracts the attention of an ancient and evil force. This force wants to use Inuyasha for its own dark purposes. Kagome has to fight against this force, not only to protect Inuyasha but also to save the world. It would involve a lot of action and some difficult decisions for Kagome.
One plot idea could be that Inuyasha and Kagome are paired up for a college project. They start off bickering like in the original series but gradually grow closer as they work together. They could discover a hidden mystery on campus that relates to their past lives.
One idea could be that Kagome discovers she's pregnant during a time of relative peace in the feudal era. This causes a stir among their friends and allies. Some might be overjoyed, while others worry about the implications. For example, Sango could be excited and offer her support, but Miroku might worry about the safety of the baby considering the many dangers in their world. Another plot could involve Inuyasha being overly protective, which causes some friction between him and Kagome as she still wants to be independent.
One plot idea could be that they have to save a village from a mysterious curse. Inuyasha uses his combat skills and Kagome uses her knowledge of the spiritual world to find a solution. Another idea is that they get separated in a strange new land and have to find their way back to each other while facing various obstacles alone.
One interesting fanfiction love story could be where Inuyasha and Kagome are faced with a powerful new enemy that forces them to rely on each other more deeply than ever. This danger makes their love grow stronger as they fight side by side. In the end, they realize that their bond is unbreakable and they confess their love more openly.
One idea could be a modern - day AU where Inuyasha and the gang are in a high - school setting. Inuyasha, the half - demon, could be the new kid who catches the eye of a popular girl. Their relationship could start off rocky due to his rough exterior and her preppy friends not approving. But as they get to know each other better, they find a deep connection. Another plot could be a time - travel scenario where a character from the present day is sent back to Inuyasha's era and falls in love with him while trying to find a way back home. They have to navigate the differences in their cultures and the danger of the feudal era together.
One idea could be that Kagome starts to develop feelings for Sesshomaru while still loving Inuyasha. Sesshomaru, on the other hand, is conflicted because he has his own pride and his past views on humans. This would create a very tense love triangle as Inuyasha would be jealous and Sesshomaru would be struggling with his new - found emotions.
One plot idea could be that Kagome discovers a hidden power within herself that was somehow connected to Inutaisho in the past. Maybe it was a power he sealed away for a future purpose and now Kagome has to learn how to control it. Another idea is that Inutaisho appears to Kagome in a dream and gives her advice on how to deal with a particularly tough demon she's facing. It could be like a spiritual mentorship thing.