Abandoning A Subeta Pet
Very simple. Click on the pets link under “Personal” in the left menu, or click on your active pet’s name in the top right corner of the page.
This will bring up a page with all your Subeta pets on it. Now click on the image of the pet you wish to abandon. And the following screencap is the menu you will see.
To abandon that pet, click on the very last link “Abandon Pet”.