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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.
First Air Date : Jun 05, 2020
Last Air date : Jun 26, 2020
Episode : 4 Episode
Season : 1 Season
Runtime: 5 minutes
Studio: YouTube
Country: Japan
Cast: Keiko Toda