Did I Do Something Wrong When I Traveled to Another World?

As a high school student, he inexplicably traveled to a different world in a Japanese light novel. This may be normal. But the most important thing is that Yan Yushu is not from Sakura country! Even if he traveled through time inexplicably, the golden finger also failed, and he was just about to return to the countryside to farm in despair, but things suddenly took a turn for the better?