The plot could be that their children (in a sense, the characters they care about) play a role in bringing them back together. Maybe the characters notice how much Asgore and Toriel still have feelings for each other. They set up situations where Asgore and Toriel are forced to interact, like a dinner or a shared task. Through these interactions, old feelings resurface, and they get back together.
Yes, they might get back together. They have a long history and deep emotional connection. In the game, there are many hints of their past love. The fanfiction could explore how they overcome their differences, like Asgore's past actions and Toriel's anger towards him. It could be a story of forgiveness and second chances.
A plot could be that Asgore discovers Toriel is pregnant and realizes he still has feelings for her. He then tries to be a part of her life again in a positive way. They could go through the journey of getting to know each other again, while also preparing for the baby. There could be scenes of them talking about their past mistakes and how they want to be better for the baby, creating a story full of redemption and new beginnings.
One common theme is redemption. Given their past actions and the rift between them, many fanfictions explore how they can redeem themselves in each other's eyes. Another theme is forgiveness. They have to forgive each other for things like the war and the separation. For example, in some fanfics, they slowly come to understand each other's motives and forgive.
One popular 'Asgore x Toriel fanfiction' might be those that explore their past relationship and how they could potentially reconcile. For example, some stories might focus on the emotional journey they go through as they remember the good times before their separation.
One possible plot could be that after a long time apart, they accidentally meet at a place that holds significance for them, like the old Total Drama Island. Their initial encounter might be filled with awkwardness and old grudges resurfacing. But as they start talking, they realize they still have feelings for each other. Maybe Duncan has changed for the better during their time apart, and Courtney sees this new side of him that makes her fall in love all over again.
One possible plot could be that after a long time apart, Scott and Allison accidentally meet at a place that holds a lot of memories for them, like the high school where they first met. This encounter stirs up old feelings, and they start to talk about the past. Slowly, they realize that they still love each other deeply and begin to rekindle their relationship.
One possible plot could be that they meet by chance after a long time apart. Maybe at a Downworlder event where Magnus is using his magic to create some amazing display. Alec, who is there on some Shadowhunter business, can't take his eyes off Magnus. They exchange a few words, and the old feelings start to resurface.
One possible plot could be that they meet by chance at a music event. Maybe Jesse is performing and Rachel is in the audience. After the show, they start talking and realize they still have feelings for each other. They then slowly start rebuilding their relationship by going on dates and reminiscing about their old times together.
One possible plot could be that they realize they still have feelings for each other during a chance encounter. Maybe at a mutual friend's party. They start talking, reminiscing about the good times, and slowly the old spark reignites.
It could be that Cody is in a bit of a slump in his life and Bailey, who has always cared for him, comes to his aid. This act of kindness makes Cody realize how much he still loves her. They then start spending more time together, sharing their dreams and fears, and eventually, they get back together, much to the delight of their friends and family who always thought they were a great couple.