COS★FES TREASURE in大洗海上花火大会2025〜千櫓祭〜

[Saturday, September 27, 2025] The Oarai Ocean Fireworks Festival SENYAGURASAI – Fireworks × Entertainment × Cosplayer

A Summer Festival Like No Other Is Coming to Oarai Sun Beach, Ibaraki! Feel your senses ignite as a record-breaking 18,000 fireworks light up the night sky— and during the day, witness the spectacular acrobatic flight of the Blue Impulse team soaring above Oarai!

But that's not all... World-renowned official cosplayers will gather for a breathtaking performance atop a series of glowing, mystical Yagura towers!

In the Marche Area, discover a wide range of creators and enjoy once-in-a-lifetime encounters with their amazing works!
Don't miss the Food Festival Area, where gourmet dishes from across Japan come together in one delicious celebration!
Spend an entire day immersed in a dreamlike world, as if you've stepped inside a game—from daytime fun to nighttime wonder, enjoy every moment to the fullest!

Photo Contest will also be held!! Both cosplayers and photographers have a chance to win!!

*If you are participating in cosplay, please be sure to use the designated changing rooms inside the venue to avoid causing inconvenience to the surrounding area or the general public. Please note: In addition to cosplay or photographer tickets, a separate admission ticket for the Oarai Ocean Fireworks Festival 2025 SENYAGURASAI is required.