
NagiReo Valentine’s DaySaturday, February 14, 2026 - Sunday, February 15, 2026A weekend celebration for our super elite maiden in love and his genius treasure!
Can I combine prompts?
Yes!Can I collaborate with someone?
Yes!Can I explore different gender identities for Nagi and/or Reo in my work? (genderbend/yuri/femlock, t4t, etc.)
Yes!How do I upload my fanfic to the AO3 collection?
Enter “nagireovday” in “Post to Collections/Challenges” when uploading your work to AO3.

How do I submit a Valentine?
Draw or write your message for your intended Valentine on our Strawpage, and please include their url so that we can post it and tag them when the event begins! If you would like to ensure we received the submission, please feel free to DM us.Can I submit fanworks for an existing series I may have?
As long as it's: 1) in line with the event prompts, and 2) a new work to the series, you can submit your fanworks.If you have any additional questions, please feel free to DM our account or our Strawpage if you would prefer to be anonymous.
1. Due to inclusion of NSFW prompts (and eventual promotion of NSFW submissions received), you must be 18+ to participate in this event.
2. Please respect all of your fellow participants and their works. If you engage in any harassment, we will not accept your submission.
3. This is a Nagi Seishiro/Mikage Reo event only (no multishipping or reversing/switching.)
4. Please tag your submissions with #nagireovday and @narentinesday so that we can boost your lovely work! Fanfics can be added to our AO3 collection as well.
5. Please tag your NSFW works appropriately (#NSFW) to streamline participant navigation of submissions.
6. You may submit any type of fanwork as long as it is your own. Do not use AI or the works of other creators in your submissions (ex: if you would like to submit an edit, please use either your own art, the art of a collaborator, and/or official images of Nagi and Reo.). You can also submit a Valentine’s Card or message via our Strawpage!
7. The event will run from February 14 - 15th, 2026, with a grace period of one week.