Project SEKAI 5th Anniversary Thanks Festival【DAY1】

🎉 Project SEKAI 5th Anniversary Thanks Festival – DAY 1 Celebrate five incredible years of Project SEKAI: Colorful Stage! with this special Anniversary Festival! Join your favorite Virtual Singers and Sekai units for unforgettable live performances, heartfelt messages, and fan gratitude moments. ✨ Highlights: 🌟 5th Anniversary Celebration 🎤 Live performances & special talks 💖 Appearances from Vocaloid & SEKAI characters 📅 Event Date: 10/18/2025