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.
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.
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.
It could be a story where the rain creates a magical or mysterious atmosphere during recess and the 'whomps' have to solve a puzzle or overcome an obstacle related to it. Or perhaps it's just a simple account of how they pass the time despite the bad weather.
I don't have the precise release date of Jinx as a manhwa at hand. You might want to check reliable manga or manhwa databases for accurate information.