ONA
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Series Information
FormatONA
Episodes4
Duration6 min. per ep.
AiredJun 4, 2020 to Jun 25, 2020
SourcePicture book
RatingG - All Ages
Animation Studios
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Shop Blu-ray & Merch on AmazonSynopsis
In the books, the titular Grandma seeks to explore the true meaning of the Japanese phrase "mottainai" after her son asked her what it meant and she couldn't answer. "Mottainai" is a commonly used exclamation that roughly translates to "what a waste!", expressing regret over wastefulness. The Grandma seeks to explore the meaning and importance of "mottainai" in the story. (Source: Anime News Network)
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