Yu Weibin, a Chinese girl who always misses the mark at critical moments, was hit hard by the ceiling above her head during the Japanese Language Level 2 exam. When she woke up, she unexpectedly came to the world of the Prince of Tennis. She was still a boy in the second grade of the second grade like Ryoma. He was the son of school logistics supporter Takagi Kusano. He always went to Atobe's house to mow the flower garden on Saturdays instead of his father...