Otonadake Con 2025
September 27, 2025
Holiday Inn Research Park
Huntsville, AL, USA
Anime Convention with Adult programming
Otonadake Con is Huntsville's first adult-only anime and pop culture convention, happening September 27, 2025. This 18+ event is a bold, immersive experience featuring mature-themed panels, games, contests, a maid café, and more. Whether you're into classic anime, bold cosplay, or just looking to vibe with like-minded fans-Otonadake Con is where grown-up fandom comes to life.