Yes, there are quite a few. You can check out some popular fanfiction websites like Archive of Our Own. There you might find some really creative stories about TJ and Spinelli's relationship, written by fans who are passionate about the 'Recess' characters.
You can try looking on FanFiction.net. It has a large collection of fanfictions from various shows and movies, including 'Recess'. There's a good chance you'll find some TJ and Spinelli love fanfictions there.
A 'free recess social story' is likely a social story about free recess. It could be a narrative that helps kids understand the rules, interactions, and experiences during free recess at school. For example, it might talk about how to share the playground equipment, make friends during that time, or handle conflicts that could arise.
There are always ways to create fanfiction that is suitable for all ages. In the case of Recess and a 'Cornchip Girl', it might be a story about how she overcomes her shyness on the playground. Maybe she initially has trouble making friends but through the kindness of the other Recess characters, she becomes part of the group. This type of story is not only appropriate for all ages but also promotes positive values.
Another option is to join specific fan groups dedicated to the show or characters. These groups often have their own collections of fanfiction or can point you in the right direction. You could ask around in these groups if anyone knows of any good TJ and Spinelli kiss fanfiction.
I'm not aware of any appropriate 'adult fanfiction' involving Recess and a 'Cornchip Girl'. Fanfiction should generally focus on positive, family - friendly themes like friendship. For example, in normal Recess - themed fanfiction, it could be about the adventures of the kids on the playground, how they solve problems together, or the unique relationships between the characters.