Nest
Birds use grass and fruit to make their nests.
Picture a cute little nest with a family of birds in it. It looks like it was woven together with bits of grass and strawberries, so it smells delicious too.
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The bottom of the nest also seems to be padded with someone's suit (す). Did... did this bird attack a human for this?!
Picture the nest, made of grass, fruit, and the suit of the angry salaryman who's shouting below the tree, and missing the top half of his suit.