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Tajima is a clean up hitter and a baseball prodigy, however because of his small build he is unable to hit home runs. He is a naturally out going person and can thus make up for Mihashi's shy nature. Mihashi and Tajima have been shown to get along well as they share their love of baseball and bad school grades. During middle school, his great-grandfather had to go to the hospital, but because no one informed him, he had spent the night at home alone, worrying, while the rest of his family had been at the hospital and then went out to eat dinner, completely forgetting about him. Thus, Tajima decided to attend Nishiura because it is very close to his home (5 minutes away), so if his great-grandfather or his grandparents ever go to the hospital, he would know immediately and not be left behind again.