begins to play little league baseball on the Mifune Dolphins Little League after an argument with Gorō where she sees his passion for the game. She was also the first person Gorō recruited to the Mifune Dolphins. In the finals against Yokohama, she was the catcher to replace the injured Komori. Already in elementary school, she began to have feelings for Gorō. In Junior High School, she switches to softball and becomes captain of the Mifune East Junior High team. Seeming, she still had a grudge against baseball because Gorō introduced it to her. Initially, she plans to follow Gorō, whom she has a crush on, to Kaido High School. However, she changes her mind after she discovers Kaido does not have a softball team and after Gorō tells her to follow her love of softball. She attended Seishu High School, the one Gorō later attends. She told her little brother Taiga to join Seishu's baseball club, seeming the great "baseball fanatic" was there. After high school, she attended Kyowa University. During the winter break of her freshman year, Gorō confesses to Kaoru, and they are going out. If Gorō was suggested as a baseball fanatic, Shimizu was said to be a softball fanatic. And now, she is shown that she is married to Gorō and has two children. Joe Gibson is the man responsible for the death of Gorō's birth father. The incident remained a heavy cross weighed upon him, driving him to remain one of the top pitchers in the MLB so that Honda, by comparison, would be seen as an even more significant player. Due to this incident, he began to have family problems as his family did not fit in Japan. His son Joe Gibson Jr. started to have a grudge against him as his son believed Gibson and Honda Shigeharu created the reason for the family breakdown. He later returned to America after the death of his wife and daughter. He continued pitching after the age of 40 and earning over 300 wins. He stated he was waiting for a Japanese boy to join the Major League to challenge him. For the Baseball World Cup, he was Team USA's ace pitcher, although at that time, he was diagnosed with angina pectoris, and the doctor warned he might die if he continues pitching. However, Gibson may feel that dying on the mound pitching his best would