I used a guide to help find all of them. Here's what it said about Chapter 2.

- Inside the barn with the cow, in a corner stall. Open the dark chest.

- Along the row of houses after the barn, inside the second house that can be entered, in
the 1F room, near the ladder. Open the dark chest.

- Along the same row of houses, inside the house just after the one with the locked door,
in the 2F attic. Open the dark chest.

- Inside the McCall house, on the 2F main walkway, behind a cabinet.Open the dark chest.

- At the McCall house, on the 2F rear balcony on the same side as the previous spot. Open
the dark chest.