Mouse Peace Fest 2025 Draws Thousands in Halloween Spirit
- Agustin Tabares
- Oct 29
- 2 min read

Tonight in Tokyo, the streets surrounding the Yoyogi National Gymnasium are alive with color, sound, and excitement as fans gather for Mouse Peace Fest 2025 — “2nd Bite.” The highly anticipated Halloween-themed music festival, produced by Tatsuya Ueda, officially kicked off on Wednesday, October 29, 2025, transforming Shibuya into a stage of its own before the concert even began.
Outside the venue, hundreds of fans—many of them young women—arrived dressed in striking Halloween costumes ranging from gothic vampires to neon-colored fantasy creatures. The area became a spontaneous pre-party, with flashing pumpkin lights, themed accessories, and laughter echoing through the crowd. Security and staff equipped with loudspeakers guided the endless flow of visitors through the crowded entryways, ensuring safety amid the celebration.
Tickets for the event sold out weeks in advance, priced between ¥10,000 and ¥13,000, and many fans gathered near the venue hoping for last-minute access. The anticipation was palpable; people were taking photos, trading merchandise, and showing off elaborate costumes while music from nearby speakers hinted at what awaited inside.
The festival itself, headlined by Ueda and featuring several top Japanese artists, promised three hours of theatrical performances and musical energy wrapped in a Halloween atmosphere. But even before the doors opened, the surrounding streets had already become a scene worth documenting — a fusion of Tokyo’s pop culture, seasonal festivity, and fan dedication.
Mouse Peace Fest 2025 once again proves that in Japan, music and fashion intertwine seamlessly with seasonal traditions. The excitement outside Yoyogi Gymnasium tonight highlights how much live entertainment continues to thrive in Tokyo, especially when creativity, costume, and community collide.

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