Atsushi Maehara is one of Goro Honda's teammates in the Mifune Little, and one of the characters introduced in the Little League Arc

Honda Shigeharu is a Major League batter on the rise. His son Goro is a Little League pitcher who one day hopes to follow in his father's footsteps. Hoshino Momoko  is Goro's schoolteacher, and the first woman Shigeharu has been interested in since the death of Goro's mother. The destines of these three individuals will become intertwined as father and son experience both heartbreak and triumph on the baseball diamond. But when an unspeakable tragedy visits the family, it will take everything they have to pick up the pieces and reclaim their dreams.
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(Source: Anime News Network)
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[Wiki (jp)](https://ja.wikipedia.org/wiki/青山桐子)