Animelo Summer Live 2025. Animelo began in 2005 but i cannot find any proof. September 28th, 2008 tokyo game show 2008:

Animelo summer live (アニメロサマーライブ?), abbreviated as anisama アニサマ, is the biggest annual anime songs music festival in japan hosted by dwango (owner of animelo mix. Animelo summer live, abbreviated as anisama (アニサマ, anisama), is the biggest annual anime songs music festival in japan hosted by dwango and nippon cultural.