Japanese pop singer Maki Otsuki was in the middle of a concert in Shanghai on Friday when her performance was abruptly cut short, her sound system was turned off, and the organizers ordered her to leave the stage. Otsuki was never given a reason for the rude treatment, but it appears to be part of China’s escalating feud with Japan over Japanese Prime Minister Takaichi Sanae’s comments on Taiwan. Otsuki was performing at the Bandai Namco Festival 2025 in Shanghai, an event dedicated to animation and video games produced by a massive Japanese entertainment company. One of her songs is...