Well, a common trope is the 'comfort trope'. In these fanfictions, Papyrus offers comfort to the child reader when they're sad or scared. He might give them a big, warm (as warm as a skeleton can) hug. Also, the 'growth trope' is seen often. The child reader grows in character, learning important values with Papyrus as their guide. This can include things like learning to be brave or how to make friends. Lastly, the 'gift - giving trope' where Papyrus gives the child little presents, like a cool rock he found or a handmade item, to show his affection.
To write a heartwarming Papyrus x Child Reader fanfiction, start with creating a believable bond between them. Maybe the child is lost and Papyrus finds them, and from that moment, a special connection forms. Then, you can have Papyrus do simple things that mean a lot to the child, like making them a special meal. Write about their conversations, how Papyrus encourages the child to be positive. You can also include a bit of the fantastical world they live in, like Papyrus showing the child a magical place. This all helps to create a heartwarming story. For example, Papyrus could take the child to a field of glowing mushrooms at night, and they just sit there and talk about their dreams.
There are many great papyrus x reader fanfics out there. You can start by looking on popular fanfic platforms like Archive of Our Own. Some might focus on their adventures together in the Underground, with Papyrus showing his unique charm and the relationship developing in a sweet and comical way.
One great 'Papyrus x Reader' fanfiction is 'A Day with Papyrus' which shows a really cute day out with the character. It has a lot of sweet interactions between Papyrus and the reader.
Another option is to check out dedicated Undertale fanfiction forums. These places are often filled with fans who share their own works or know where to find great 'Papyrus x Reader' stories. You might have to create an account to access all the content, but it's well worth it.
First, get to know Papyrus's character well. Read the original source material to understand his personality traits like his enthusiasm and his sense of justice. Then, think about the kind of relationship you want the reader to have with him. Is it a friendship - turned - romance? Or a more mentor - mentee type of bond?
Well, the relationship could start with Papyrus's passion for spaghetti. He could talk to the spaghetti as if it were a friend, sharing his day and dreams. Maybe he gives the spaghetti names based on how it looks, like 'Curly' or 'Longy'.
One common theme is the exploration of an unlikely relationship. Since Papyrus is a very positive and friendly character and Chara has a more complex and somewhat controversial backstory in the Undertale universe, seeing how they interact and form a relationship is often explored. For example, some fanfictions might focus on Papyrus helping Chara to overcome their past traumas.
There are many alternatives. You could look for fanfictions that focus on their platonic relationship, like them going on a quest together in the Underground. Another option is fanfictions that explore their individual character growth outside of a romantic or inappropriate context.
I don't recommend seeking out 'lemon' fanfiction, especially for undertale sans x papyrus. Their relationship in the original game is more of a brotherly one. If you want to explore fanfiction about them, there are plenty of non - 'lemon' ones that focus on their adventures, character development, and the unique bond they share in the Undertale universe.