How to complete 'The Lost Eggs' quest in Nier Replicant?
You can start the quest after speaking with the shopkeeper in the Nier’s market area. He is the second person you see on your left as you enter the village market.
The shopkeeper ask you to find where the chickens are hiding eggs. The location of eggs is near the first pillar on the right side of the fountain. Once you find an egg, return the eggs to the shopkeeper.