Hi @pibara,
I'm sure the contest you're advertising is very engaging and well-structured, but I think it's inaccurate to call it "finish the story" because this is the specific name of the Bananafish format and could be confusing to readers.
Furthermore, in my opinion you could comment on this post in regards to the story that was written in it, rather than merely drop your link.
In this period, it is rare to find true disinterested engagement and a sincere conversation on creative themes, and this is what we are trying to do with our community.

Have a nice evening!