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. Ou

r 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.

06/18/2026

🌟 Excelsior! The Mile High MultiVerse Joins Seijin Otaku Fest 18+ Anime Convention 2026! 🌟

We continue our cosplay-esk announcements leading to our Cosplay Guests....

True believers, gather ’round! The cosmos has aligned, the stars are shining, and the "Mile High MultiVerse" Cosplay Group is leaping into action at Seijin Otaku Fest 2026! That's right, this team of cosplay champions is bringing their epic energy and multiversal magic to support the con all weekend long!

Who Are These Heroes of the MultiVerse?
Hailing from the great Mile High City, the Mile High MultiVerse is a legendary group of cosplayers who embody the spirit of creativity, heroism, and FUN! Whether they’re rocking jaw-dropping cosplay, hosting events, or just making the con feel like an epic adventure, these folks are the real deal!
But wait, there’s more! You might even catch a few of them donning aprons and serving up smiles in the Maid Café! (Yes, even heroes need to take a break from saving the world to pour some tea!) ☕✨

What to Expect:

Event Support: From panels to contests, you’ll find the Mile High MultiVerse lending their talents all over the con floor.

Cosplay Magic: Be ready for some top-tier costumes that’ll make you feel like you’ve stepped straight into your favorite anime or comic book.

Surprises Galore: Who knows where they’ll "pop up" next? (Spoiler alert: It could be anywhere!)

Join the Fun!
📅 When? July 31st – August 2nd
📍 Where? Double Tree by Hilton DTC, Greenwood Village
🎟️ Grab your tickets NOW and use code “OTAKU” for $5 OFF any ticket level! (VIP spots are running out faster than a speeding bullet, so don’t wait!)

So, whether you’re looking for a photo with a hero, a moment with a maid, or just want to bask in the talent and creativity of these cosplay crusaders, you won’t want to miss the Mile High MultiVerse at Seijin Otaku Fest!

Face front, true believers, and we’ll see YOU in the action-packed world of Seijin Otaku Fest!

06/16/2026

🔥 Before the Cosplayer Guest Announcements Begin… Let’s Talk AN HONORABLE MENTION! 🔥

Alright, listen up, fam! Before we start dropping the names of our amazing Cosplayer Guests (and trust us, they’re LEGENDARY), we HAVE to shine a spotlight on someone who deserves an Honorable Mention!

Say hello to Syriena K Cosplay, a Denver local who will be tabling and cosplaying alongside our smokin’ hot Husbando, Luke Perez! 😍✨

Who is Syriena K Cosplay?

A fierce and fabulous avid anime cosplayer.
A total boss in fitness and modeling. (Like, she could probably deadlift an Imperial Arm, no big deal. 💪🔥)
She’s bringing the 🔥 this weekend, helping us turn up the heat at Seijin Otaku Fest 18+ Anime Convention 2026!

Cosplay Guest Announcements Coming SOON!
We’re locking in the rest of our lineup, and trust us when we say, it’s gonna blow your mind. 🤯 So stay tuned, keep those notifications on, and get HYPED.

SEE YOU AT SEIJIN OTAKU FEST!
📅 When? July 31st – August 2nd
📍 Where? Double Tree by Hilton DTC, Greenwood Village
🎟️ Grab your tickets NOW and use code “OTAKU” for $5 OFF any ticket level. (VIP tickets are running LOW, so don’t wait!)

🔥 LET’S GET THIS PARTY STARTED WITH SYRIENA K COSPLAY AND OUR HUSBANDO "Seiryu" LUKE PEREZ! 🔥

SEE YOU THERE!

06/15/2026

🚨 Vendors & Artists (Table Space Vendors– Heads Up! 🚨

We’re officially OVER halfway full on vendor spaces for Seijin Otaku Fest 18+ Anime Convention 2026, and we are LOVING the response so far! 🛍️✨

Thank you to everyone who’s applied to bring their amazing merch, art, and goodies to our con!

If you’ve already applied but haven’t seen your acceptance email yet (check that spam folder, bestie!)—or if you’ve got questions—just slide into our DMs, and we’ll help you out. 💌

BUT WAIT… If you’ve been procrastinating (you know who you are), now’s the time to act! Spaces are filling QUICK, and this includes:
🎨 Artist Tables
🛒 SFW Vendors
💡 All vendor spaces in general!

Don’t miss your chance to be part of the hype!

📅 Apply now before it’s too late. Once we’re full, that’s it!

💻 Hit the link in our bio/comments to apply TODAY. Let’s make this con the most epic one yet! 🖤✨

06/14/2026

⚔️🔥 HYPE TRAIN INCOMING: AKAME GA KILL VOICE ACTORS ARE COMING TO Seijin Otaku Fest 18+ Anime Convention 2026! 🔥⚔️

We’re BEYOND thrilled to have Molly Searcy and Christina Kelly, two powerhouse voice actresses from the epic anime Akame Ga Kill! 🎉✨

💀 What’s Akame Ga Kill?
If you haven’t seen this masterpiece (seriously, why not?), here’s the rundown:
In a brutal world ruled by corruption, the revolutionary group Night Raid fights back against tyranny using their deadly combat skills and powerful Imperial Arms. But don’t get too attached, because nobody is safe in this anime. 😭 It’s action-packed, emotional, and full of unforgettable characters—and we’re bringing two of them straight to YOU!

Molly Searcy – Voice of Akame

06/14/2026

🚗✨Seijin Otaku Fest Announcement!🎉

Hey everyone! Are you ready for some serious car culture meets anime vibes? 🔥

We’re thrilled to announce that the Colorado Itasha Aliance will be joining us at Seijin Otaku Fest! 🎌

Come check out their amazing anime-themed cars all weekend long! These custom rides bring your favorite characters and series to life in the most stylish way possible. From sleek mods to jaw-dropping designs, this is a spectacle you won’t want to miss. 🚘🎨✨

Whether you're a gearhead, an anime enthusiast, or just looking for some unique inspo, swing by and soak up the Itasha culture. Let’s celebrate the fusion of creativity, fandom, and speed together! 🏎️💨

Tag your crew and let us know which anime you'd love to see on a ride! 👇

06/12/2026

🔥💙 HUSBANDO ALERT! 💙🔥

WE’RE COMING IN HOT, FAM!

Please give the BIGGEST, LOUDEST, MOST EARTH-SHATTERING welcome to Cosplayer Extraordinaire, Luke Perez, stepping into his ultimate role as our Official Convention Husbando, Seiryu (Blue Dragon)! 🐉✨

💙 Who Is Seiryu, You Ask?

He’s the embodiment of power, grace, and husbando perfection.
Think smoldering looks, dangerous charm, and enough charisma to leave you swooning in the photo line. (I mean, we’re already swooning just writing this. 😘)

💥 FOR THE FANSSSSSS 💥
Luke Perez will be turning up ALL WEEKEND LONG at Seijin Otaku Fest 18+ Anime Convention 2026, ready to make your Husbando dreams come true:

📸 Photo Ops: Grab your besties and strike a pose with your new fave husbando. 🫰✨

🖼️ Exclusive Collectibles: Get your hands on prints and metal collectible cards featuring Seiryu himself. (These are gonna be hotter than a dragon’s breath, so don’t sleep on them.)

👀 In Character Appearances: Oh yes, Seiryu is bringing the heat with that main character energy. You’ll FEEL like you’re in an epic anime battle just standing in his presence.

Get Ready to Meet Seiryu (aka Your New Obsession)
📅 When? July 31st - August 2nd
📍 Where? Seijin Otaku Fest at the Double Tree by Hilton DTC in Greenwood Village

🎟️ HIT THAT LINK IN THE COMMENTS RIGHT NOW and grab your tickets! Use code “OTAKU” for $5 OFF any ticket level. (VIP tickets are basically the front row to this Husbando concert, so don’t miss your chance!)

FOR THE FANS, BY THE FANS, WITH THE FANS 🔥

This is your chance to meet the ultimate Husbando IRL, so don’t wait! Luke Perez is ready to serve the LOOKS, the VIBES, and the HYPE all weekend long. 💎

💙 SEE YOU AT SEIJIN OTAKU FEST! FOR THE FANSSSSSSSS!!! 💙🐉

06/11/2026

🌸✨ Ahoy, Straw Hats! Your Seijin Otaku Fest 18+ Anime Convention 2026 Lineup is Here! ✨🌸

👑 Okay, my precious weebs and otaku fam, gather ‘round because we have the tea to spill and hype to drop about our VOICE ACTOR GUESTS for this year’s Seijin Otaku Fest. And honey, this lineup is so fire it could melt the One Piece treasure itself 🔥🏴‍☠️!

We’re bringing you some of the most iconic voices from One Piece, the anime LEGEND that’s been sailing our hearts for decades. Let’s give a royal bow (or a pirate salute) to these incredible guests who’ve brought your favorite characters to life:

🎙️ Molly Searcy
💎 Voice of: Kozuki Hiyori / Komurasaki 💎

Oh, you thought you could handle this much elegance and power? Think again. Molly gives life to the Shogun’s daughter with a voice so regal, it might just inspire you to cosplay her at the con. (You should totally do it, just saying.)

🎙️ Erica Muse
⚓ Voice of: Charlotte Cinnamon

Erica’s got RANGE, ya’ll. From the sweet to the saucy (hello, Cinnamon), she brings that extra spice to the Big Mom Pirates and beyond. If you don’t stan her already, you’re about to. 🤷‍♀️

🎙️ Christina Kelly
🦖 Voice of: Ulti

Let’s be honest—Ulti is the queen of sass, and Christina delivers every line with main character energy. Whether it’s her fiery temper or her hilarious banter with her brother, she’s an absolute scene-stealer. We love a chaotic queen. 👑🔥

Event Deets You NEED to Know
📅 When: July 31st - August 2nd
📍 Where: Double Tree by Hilton DTC, Greenwood Village

🎟️ HIT THAT LINK IN THE COMMENTS (RIGHT NOW, BESTIE) and use code “OTAKU” for $5 OFF any ticket level.

💎 LIMITED VIP TICKETS LEFT, SO MOVE QUICK 💎
(Like, faster than Luffy chasing meat. You got this.)

✨ So stop scrolling, start planning, and prepare your best pirate fits because this fest is going to be a TREASURE. See you there, Straw Hats! 🏴‍☠️💖

06/11/2026

💥 KAPOW! 🚀 BOOM! Welcome Vault 35 to the Seijin Otaku Fest Lineup! 💫

🦸‍♂️🦹‍♀️ We’ve got some super-powered news for you! Give a thunderous round of applause (or the loudest anime cheer you’ve got 🎌) for our newest sponsor: Vault 35! 🌟 They’re leveling up our 2nd Panel Room in style!

Nestled in the heart of Chapel Hills Mall in Colorado Springs, CO, Vault 35 is a treasure trove of all things geek-tastic:
🔹 Exclusive comic covers featuring incredible works by talented Colorado local artists.
🔹 Your one-stop shop for TCG’s you love and crave! (Yu-Gi-Oh, Magic, Pokémon, you name it!)
🔹 Figures galore to fill your shelves with collectible awesomeness!

This is the real deal, folks. If you’re in Colorado Springs, you know Vault 35 is THE spot for comics and collectibles. And now, they’re bringing their magic to Seijin Otaku Fest 18+ Anime Convention! 🌸✨

📅 When? July 31st - August 2nd
📍 Where? Double Tree by Hilton DTC, Greenwood Village

🔥 Don’t miss out on the action! HIT THAT LINK IN THE COMMENTS and use the code word “OTAKU” for $5 OFF any ticket level.

Discount hotel link is also LIVE on our website for all you out-of-town adventurers. 🏨

Now grab your capes, your cosplay, and your comrades—because this fest is going to be LEGENDARY. Welcome to the Vault, Vault 35! 🎉

06/09/2026

ATTENTION VENDORS

06/07/2026

🎨✨ BADGE ART REVEAL TIME!!! ✨🎨

OMG y’all, we’re so hyped to show off yet ANOTHER piece of amazing badge art for Seijin Otaku Fest 18+ Anime Convention 2026! This masterpiece was crafted by none other than local legend, Jesse Cruz, and it’s giving us ALL the vibes. 🔥👏

🖌️ Meet the Artist:
If you don’t know Jesse yet, you’re seriously missing out. This talented artist has been cranking out jaw-dropping pieces left and right, attending tons of local cons, and even working on exclusive comic covers for Vault 35 (yes, THAT Vault 35 🤯). Jesse’s art is bold, iconic, and just straight-up FIRE. 🔥🎨

🌟 Why We’re Obsessed
This badge art isn’t just a design—it’s a whole vibe, a mood, a masterpiece we’re so proud to feature on our badges this year. 💕 Jesse’s creativity brings anime, fandom, and pure con energy to life, and we can’t WAIT for you to see it in person.

🎉 MORE TO COME!
This is just the beginning, fam! Jesse Cruz has more amazing projects on the way, and we’re beyond excited to see what this insanely talented artist does next. Keep your eye on their work because it’s always next-level. 👀✨

🛡️ Get Your Badge NOW!
Wanna rock this exclusive art at the con? Grab your badges ASAP so you can flex Jesse’s incredible work while vibing with the best otaku fam around! 🖤

📢 Show Jesse some love in the comments and share this post to rep our local artist community! Y’all, Seijin Otaku Fest is already shaping up to be ICONIC, and we’re just getting started. Let’s GOOOO! 🙌💥

Address

7801 E Orchard Rd
Greenwood Village, CO
80111

Website

http://seijinotakufest.com/

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