No, sorry, this is stupid. You are not required to replicate the tone of the canon for a blank signup. It is totally reasonable to assume someone requesting a fandom in a niche fandom event is in fact familiar with the existing output. I'm not saying you have an obligation to replicate fanon, I'm saying that if that existing output exists, it is a smart idea for your fic to be more similar to that than a different aspect of the canon if that different aspect is something likely to be upsetting like gore, sexual assault, etc.