After leaving U-17 and everyone in the Seigaku Tennis Club, although his career started seamlessly and he embarked on the path of his dreams, Tezuka was not happy because he found that he felt lonely, an unspeakable loneliness, an indescribable feeling, a feeling that he had never felt before. How should he face it. [The regrets brought to me by Xinwangzhong, I will use my own words to make them no longer regretful]