Seijin Otaku Fest

Seijin Otaku Fest Seijin Otaku Fest is Metro Denver’s newest premier
18+ anime convention, dedicated to delivering a bold
and unforgettable experience for adult anime fans.

Seijin Otaku Fest is Metro Denver’s newest premier
18+ anime convention, dedicated to delivering a bold and unforgettable experience for adult anime fans at an affordable level. Designed around premium content and an inclusive
community spirit, Seijin Otaku Fest stands out by
offering unique entertainment, exceptional guest
appearances, and vibrant opportunities for both
attendees and partners. Our Mission:
Seijin Otaku Fest is focused on providing premium,
adult-oriented anime content at an affordable price,
ensuring that vendors, artists, and—most importantly
—attendees receive unmatched value and access to
industry-leading experiences. We are committed to
fostering a supportive community while giving
our partners maximum visibility and engagement.

LET'S GOOOOWHO ARE WE GONNA SEE?WHAT'S YOUR COSPLAY?
09/03/2026

LET'S GOOOO

WHO ARE WE GONNA SEE?

WHAT'S YOUR COSPLAY?

LOAD IN DAY!!!!

come check us out along the wall!!

Nan Desu Kan ALL WEEKEND IS THE PLACE TO BE

With all the waifu goodness, art, new anime comic, and tcg.

LIMITED NUMBER of Ponchos as well!

🎉 Seijin Otaku Fest Cosplay Contest Winners Announcement 🎉First and foremost, we want to apologize for the delay in post...
08/05/2026

🎉 Seijin Otaku Fest Cosplay Contest Winners Announcement 🎉

First and foremost, we want to apologize for the delay in posting these results and thank everyone for your patience and understanding as we’re still decompressing from the amazing weekend we shared with all of you. You all made Seijin Otaku Fest 2026 unforgettable! 💖

Without further ado, here are the Cosplay Contest Winners from this year’s competition!

Beginner Category 🐣
🏆 1st Place: Cambria as Yor from Spy x Family
🥈 2nd Place: ZZ the Goddess as Gangle
🥉 3rd Place: Jessica Mac Queen as an OC Character

Intermediate Category 🎭
🏆 1st Place: Chaotic Sweet Tooth as Oogie Boogie
🥈 2nd Place: DawnFlare as Molly Mauk
🥉 3rd Place: Gabby as Laguna Blue

Advanced Category 🌟
🏆 1st Place: Lindz Sews as Jester
🥈 2nd Place: AOIPeach as Sister of Battle
🥉 3rd Place: Kristen Killtastic as Royal Miss Martian

A HUGE thank-you to all the contestants who participated in this year’s cosplay contest! Your creativity, dedication, and passion truly brought the spirit of Seijin Otaku Fest to life. It was incredibly hard to choose winners among so much talent!

We’re already looking forward to next year’s competition, and we’re expecting the bar to be even higher. So, start planning those cosplans now! 🪡✨

Thank you again for making this year’s Seijin Otaku Fest so special. We’ll see you next year! 💕

08/03/2026

We are working on post con posts, including the cosplay winners.

FIRST, we would like to thank our VIP DAY 1's PASS ATTENDEES!!!

They were the 1st to buy passes to Seijin Otaku Fest and believing in it before anyone else, outside of the convention creators!

THANK YOU FOR BELIEVING!

They each received, NOT ONLY the typical VIP items, but ALSO a FULL SET of the collectible cards and Convention tote.

SEE Y'ALL NEXT YEAR!!

08/02/2026

Check out some of these amazing creators today. If you are at the con, come show them some love! What is the coolest thing you have ever found at a convention?

08/02/2026

Nothing beats the vibe at a con! 🌟 Seeing everyone come together to support fellow creators is what it's all about. Let's go!

Address

7801 E Orchard Rd
Greenwood Village, CO
80111

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