Photo taken on Aug. 8, 2018 shows the Beijing International Comics & Animation Festival (BICAF) in Beijing. Yoko Takahashi, a Japanese singer from Tokyo, sang three songs at the opening ceremony of the BICAF, one of the largest annual exhibitions in China in the sector. (Photo: China News Service/Piao Lina)

Photo taken on Aug. 8, 2018 shows the Beijing International Comics & Animation Festival (BICAF) in Beijing. Yoko Takahashi, a Japanese singer from Tokyo, sang three songs at the opening ceremony of the BICAF, one of the largest annual exhibitions in China in the sector. (Photo: China News Service/Piao Lina)

Photo taken on Aug. 8, 2018 shows the Beijing International Comics & Animation Festival (BICAF) in Beijing. Yoko Takahashi, a Japanese singer from Tokyo, sang three songs at the opening ceremony of the BICAF, one of the largest annual exhibitions in China in the sector. (Photo: China News Service/Piao Lina)

Photo taken on Aug. 8, 2018 shows the Beijing International Comics & Animation Festival (BICAF) in Beijing. Yoko Takahashi, a Japanese singer from Tokyo, sang three songs at the opening ceremony of the BICAF, one of the largest annual exhibitions in China in the sector. (Photo: China News Service/Piao Lina)

Photo taken on Aug. 8, 2018 shows the Beijing International Comics & Animation Festival (BICAF) in Beijing. Yoko Takahashi, a Japanese singer from Tokyo, sang three songs at the opening ceremony of the BICAF, one of the largest annual exhibitions in China in the sector. (Photo: China News Service/Piao Lina)

Photo taken on Aug. 8, 2018 shows the Beijing International Comics & Animation Festival (BICAF) in Beijing. Yoko Takahashi, a Japanese singer from Tokyo, sang three songs at the opening ceremony of the BICAF, one of the largest annual exhibitions in China in the sector. (Photo: China News Service/Piao Lina)

Photo taken on Aug. 8, 2018 shows the Beijing International Comics & Animation Festival (BICAF) in Beijing. Yoko Takahashi, a Japanese singer from Tokyo, sang three songs at the opening ceremony of the BICAF, one of the largest annual exhibitions in China in the sector. (Photo: China News Service/Piao Lina)