Hi Nekoni,
As stated in the rules, the issue regarding Proluvia's incomplete entry results in a one-contest ban. This ban applies to the user behind the nation, not the nation itself, and therefore results in the one-contest ban for Nekoni as well as Proluvia.
If you have any further questions on the issue, please don't hesitate to send a TG/DM to the Committee and we can clear up any misconceptions on the ruling.
~Polk