Why did Sun Tingting go to Japan?

Shanghai Sun Tingting may have gone to Japan for work, study or tourism. If it's for work, she might work for a company in Japan or participate in an internship program. If it is for study, she may enroll in a Japanese language school or university to gain a deeper understanding of Japanese culture and society. If it is for travel, she can visit various famous attractions and experience local food and traditional culture. Before going to Japan, she needed to apply for a visa and understand local regulations and cultural customs so that she could better integrate into local society.