fat spread is not vegetarian

Hungry for lunch, I decided to make a veggie burger but had no bread. I threw on three layers and went to the store two blocks away for something bun-like. I picked up this pack of kurumi onsen pan because it most closely resembled the right size and shape for a burger. I didn't even look at the ingredients because walnut bread should be fine, right? It practically has EAT ME VEGETARIAN written all over it.Until I got home and read the package. Uh, shortening. Hmm. And fat spread?? What's this? This was a first for me. So I googled it.
Not satisfied with the sketchy information presented on wiki I called the company.
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Hello, Onsen Bread HQ!
Um, hello? Uh, I have a question about your walnut onsen bread...
Absolutely, what is it?
Well, there's this stuff called fat spread... what is that exactly?
Uh, it's a kind of margarine-
Yes, but what's it made of? Is it vegetable or animal?
Please wait.
...
Hello? Yes, fat spread can be made from both vegetable and animal sources.
Oh. Well, milk is okay but what about animal fat?
Yes, it's made from animal fat.
Alrighty then. Thanks.
Thanks for calling Onsen Bread HQ! We are eagerly awaiting your favor!
Yup, bye.
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Dammit. It sneaks up on you. Does anyone want a two-pack of walnut hot-spring bread? It expires December 2nd.