Experience the unique and luxurious taste of Kouchi Tosa Buntan. This yellow-skinned fruit resembles a grapefruit but offers a perfect balance of sweetness and acidity. Available only during the winter to spring season in Kouchi prefecture, the flavor of Tosa Buntan varies from tart to honey-like sweetness. Let it ripen in a warm room for 2 to 3 days to enjoy its fragrant aroma and delightful sweetness. No refrigeration needed, store in a well-ventilated indoor environment for up to a month.