During Chapter 2 you'll pass a bridge to a part were you'll see some sheep and then you'll follow the road where you'll find a bridge to your left and a path to your right. Follow the path and you'll come across a cow. Nearby you will find a flower bed that you can interact with in order to pick up a follow, and you'll want to take it to the cow. Do it a 2 times for the achievement to unlock.
This achievement can be seen in the 100% full game guide at
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