The number of photos of the collections in "Lost Records: Bloom and Anger" is a lot, and there are many more difficult ones. Red balloons are one of them. If you want to find them, you can go to Scene 5 first - We met That day, the red balloon was on the barbed wire.
Where are the red balloons in collections?
Red Balloon
Scene 5 - The day we met
Related to the story when you try to leave the area through barbed wire: