The basics of the Ultra Meta fic would be script fic/chat fic/whatever it is kids call fic that's entirely dialogue with name tags.

Adrien: "Hey, guys, have you seen the title of this fic? What's up with that?"

Alya, Nino, and Marinette: *take turns explaining it to him*

Adrien: "WTF, that's bullshit (that nothing's been done yet/there's no transparency)! And those requests sound totally reasonable, too!"

Alya, Nino, and Marinette: "Right?"

Adrien: "What can I do to help?"

Alya, Nino, and Marinette: *direct Adrien (and readers!) to the manifesto/call to action*

Adrien: "Thanks, guys; I'll do my best! And please let me know if there's anything else I can do."

Alya, Nino, and Marinette: *acknowledge Adrien's efforts, make any wrap-up comments*

Nino: "Also, if you keep an extra eye out for butterflies whenever this comes up, we'd appreciate it."

Adrien: *winces* "Now that I can definitely do."

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Or something like that.