One Publishing launched the new book 'Registered Dietitian Osugi's Body-Tuning Frozen Meal Prep' on March 26, 2026. Priced at 1,650 yen, this debut book from popular dietitian Osugi introduces a meal prep method where cooking and cleaning are done once a week. The book includes 94 recipes suitable for dinners or packed lunches, categorized by physical needs such as fatigue or lack of vegetables.

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