Registration open! Ice-Melting Strategy 4 takes place November 15, 2026, at Tokyo Ryutsu Center, celebrating Iroha Irohazaka’s birthday month (November 21). Join the birthday celebration! Cosplay welcome for exhibitors and general attendees. Registration closes October 19, 2026, at 11:59 p.m. https://youyou.co.jp/only/_event/?id=code-iroha_4 Dates et billets