M3 Autumn 2025

A record of Post251's appearance.

Event information

Event ended

  • Date: Sunday, October 26, 2025, 10:30 a.m.–3:30 p.m.
  • Venue: Tokyo Ryutsu Center
  • Booth: Exhibition Hall 1, K-05a (Post251)
  • Release sold: EP Post251
  • Event price: ¥500

Release details Official M3 floor map (PDF)