# Event Details - **Event Name**: Seijin Otaku Fest 18+ Anime Convention 2026 - **Event Start and End Date**: Fri, 31 Jul, 2026 at 03:00 pm – Sun, 02 Aug, 2026 at 05:00 pm - **Event Description**: ? Seijin Otaku Fest 2026 ? An 18+ Anime Convention Like No Other! Premium Experience's at affordable prices! Get ready for 3 days of non-stop anime fun and excitement at the DoubleTree by Hilton Denver Tech Center from July 31 – August 2, 2026! VENDOR HALL Fri - 3pm - 8pm Sat - 10am - 6:30pm Sun - 11am - 5pm AFTERHOURS Fri - 8pm - Midnight ------ Burlesque 8pm-9pm ------ Fri Night OPEN RAVE for Attendees 9:30pm - Midnight-ish Sat - 6:30pm - Midnight ------ CASH PRIZE COSPLAY CONTEST 6:30pm-8pm ------ Burlesque 8pm-9pm ------ Sat Night VIP RAVE for VIP Ticket Holders (Tickets Open for purchase outside of being VIP: Read Full description on Ticket Site for that Ticket) 9:30pm - Midnight-ish Seijin Otaku Fest has it all. ? What to Expect: Anime Guests: Meet voice actors, creators, and stars from your favorite shows! Erica Muse Christina Kelly Molly Searcy Official Waifu & Husbando: Celebrate and interact with our crowned anime royalty! Motley Monroe - as Hoshikawa Luke Perez - as Seiryu Official Influencer - Katt Yukihyo Burlesque Shows: Enjoy dazzling, sultry performances with an anime twist. Cosplay Guests: Meet top-tier cosplayers and get inspired! THERE WILL BE A FANTASTIC COSPLAY CONTEST ON SATURDAY $2500 Prize Pool OFFICIAL COSPLAYERS Thousand Faces Cosplay Dabby Katt Cosplay Destiny Cosplay Maid Café: Indulge in a kawaii, immersive experience with our adorable maids. Panels & Events: Dive into anime discussions, workshops, and fandom fun. RAVE FRIDAY NIGHT AND VIP Rave SATURDAY NIGHT: Dance the night away with exclusive access to our high-energy rave. And SO MUCH MORE! ? Want VIP Access? Follow us on all our socials for updates, giveaways, and ways to WIN VIP passes! Don’t miss out on the 1st Annual Seijin Otaku Fest, where anime dreams come to life. Mark your calendars and join us for an unforgettable weekend! ? When: July 31 – August 2, 2026 ? Where: DoubleTree by Hilton Denver Tech Center ? 18+ ONLY – This convention is designed for an adult anime audience. ? Stay tuned for updates and announcements. See you there, otakus! ? #SeijinOtakuFest2026 #AnimeCon #18PlusAnime #Cosplay #WaifuAndHusbando #DenverAnimeCon #MaidCafe #VIPRave - **Event URL**: https://allevents.in/castlewood/seijin-otaku-fest-18-anime-convention-2026/200030002882336 - **Event Categories**: anime, festivals, raves, contests, workshops, art, theatre, calendar - **Interested Audience**: - total_interested_count: 118 ## Ticket Details ## Event venue details - **city**: Castlewood - **state**: CO - **country**: United States - **location**: DoubleTree by Hilton Denver Tech Center - **lat**: 39.6106838 - **long**: -104.897798 - **full address**: DoubleTree by Hilton Denver Tech Center, Doubletree-Denver Tech Center, 7801 E Orchard Rd, Englewood, CO 80111, United States, Castlewood ## Event gallery - **Alt text**: Seijin Otaku Fest 18+ Anime Convention 2026 - **Image URL**: https://cdn-az.allevents.in/events9/banners/81cb6271225c40a4caca20afc11758ca8b28e695983a91a070dc34ba5a9a4516-rimg-w1200-h514-dc080808-gmir?v=1785454786 ## FAQs - **Q**: When and where is Seijin Otaku Fest 18+ Anime Convention 2026 being held? - **A:** Seijin Otaku Fest 18+ Anime Convention 2026 takes place on Fri, 31 Jul, 2026 at 03:00 pm to Sun, 02 Aug, 2026 at 05:00 pm at DoubleTree by Hilton Denver Tech Center, Doubletree-Denver Tech Center, 7801 E Orchard Rd, Englewood, CO 80111, United States, Castlewood. - **Q**: Who is organizing Seijin Otaku Fest 18+ Anime Convention 2026? - **A:** Seijin Otaku Fest 18+ Anime Convention 2026 is organized by Seijin Otaku Fest. - **Q**: Who is this event for? Is it right for me? - **A:** Seijin Otaku Fest 18+ Anime Convention 2026 is ideal for party-goers, social butterflies, and anyone looking for a great night out with music, drinks, and good vibes. Whether you're a first-time attendee or a longtime enthusiast in Castlewood, this event is thoughtfully curated to deliver a standout experience worth every moment. With 110+ people already showing interest, this is clearly an event worth adding to your calendar - don't miss out. ## Structured Data (JSON-LD) ```json [ { "@context": "https://schema.org", "@type": "Event", "name": "Seijin Otaku Fest 18+ Anime Convention 2026", "image": "https://cdn-az.allevents.in/events9/banners/81cb6271225c40a4caca20afc11758ca8b28e695983a91a070dc34ba5a9a4516-rimg-w1200-h514-dc080808-gmir?v=1785454786", "startDate": "2026-07-31", "endDate": "2026-08-02", "url": "https://allevents.in/castlewood/seijin-otaku-fest-18-anime-convention-2026/200030002882336", "location": { "@type": "Place", "name": "DoubleTree by Hilton Denver Tech Center", "address": { "@type": "PostalAddress", "streetAddress": "Doubletree-Denver Tech Center, 7801 E Orchard Rd, Englewood, CO 80111, United States", "addressLocality": "Castlewood", "addressRegion": "CO", "addressCountry": "US" }, "geo": { "@type": "GeoCoordinates", "latitude": "39.6106838", "longitude": "-104.897798" } }, "eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode", "description": "? Seijin Otaku Fest 2026 ?\n\nAn 18+ Anime Convention Like No Other!\n\nPremium Experience's at affordable prices!\n\nGet ready for 3 days of non-stop anime fun and excitement at the DoubleTree by Hilton Denver Tech Center from July 31 – August 2, 2026! \n\nVENDOR HALL\nFri - 3pm - 8pm\nSat - 10am - 6:30pm\nSu", "organizer": [ { "@type": "Organization", "name": "Seijin Otaku Fest", "url": "https://allevents.in/org/seijin-otaku-fest/27737309", "description": "Seijin Otaku Fest. 305 likes · 428 talking about this. Seijin Otaku Fest is Metro Denver’s newest premier\n18+ anime convention, dedicated to delivering a..." } ] } ] ```