You've got a layer BG (Characters and BG in one layer flatten)called "Lineart Below" 1. Make a new layer call "Lineart Over" 2. Go to "Lineart Below"(BG)Select everything(Ctrl +A)and copy it(Ctrl+C) 3. Got to "Lineart Over" fill in Black color. 4. Go to Mask Mode 5. Past Everything (Ctrl + V) 6 . Go to Normal Mode. Delete what you selected (canc or del) Deselect everything (Ctrl +D) Delete "Lineart Below" layer You've got one transparent layer with Lineart and no BG
1. Make a new layer call "Lineart Over"
2. Go to "Lineart Below"(BG)Select everything(Ctrl +A)and copy it(Ctrl+C)
3. Got to "Lineart Over" fill in Black color.
4. Go to Mask Mode
5. Past Everything (Ctrl + V)
6 . Go to Normal Mode.
Delete what you selected (canc or del)
Deselect everything (Ctrl +D)
Delete "Lineart Below" layer
You've got one transparent layer with Lineart and no BG
Enjoy and good Luck!