Maruo Eiichirou is a punctual and earnest boy who has striven for straight "A"s since elementary school. He began going to a tennis school during high school. There, he meets Takasaki Natsu, a beautiful, earnest girl who only has passion for tennis.
Source: ANN
Oobayashi Ryou
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Maruo Eiichirou has begun his training in America and quickly realizes that he has still a long way to go. Facing his comrades in the daily matches helps him to realize his own weaknesses and his time overseas proves to be extremely valuable for his development, both as a tennis player and as a person.