Nikkei Matsuri 2025: Mark Hattori, Bittersweet Michael Tang 05-01 Entertainment エンターテインメント This is a video of Mark Hattori’s band performing the song “Bittersweet” at Nikkei Matsuri 2025 in San Jose, California! Written by Michael TangMichael Tang, long time curator of conventionlife.com, comes to J-pop News to bring us his video perspective of Bay Area events.