It's a bit amusing that the PLU sticker is even included.
I'm not sure if that would require a tag besides sticker, though it's a very specific kind (those have the code to ring up the type of produce at a store)
From the captions: M: Welcome! M: This is the restaurant's new grilled lampreys, you can try it for free M: You are welcome to come again! M: Thank you for your patronage! M: Welcome! Y: Can I have one? M: Please, help yourself Y: It's good! Y: It's really good! M: Thank you for your compliments Y: Can I have another? M: I'm sorry M: The restaurant's rules is that each customer can only have one skewer Y: But it's so good M: I'm sorry Y: Just one more... Y: It's too good M: Well, you can have one M: Please don't spill this to anyone else, you can only have one more Y: Thank you Y: It's delicious! Y: It's really good! M: Thank you Y: It's gone Y: It's gone (ㄒДㄒ) Y: I ate it all up again Y: Is it really gone just like that? M: Well, you can have another one Y: Mmm! Thank you very much Y: I really do thank you very much M: Wait, what are you doing? M: Eh?
This is a commission as evidenced by the artist's twitter, I can't seem to find the direct second-party source but this seems to be the highest quality version available.
She got food poisoning. Her body is too used to the underworld food (mushrooms, eels, giant spider meat, etc). Fried pork and veggies are too rough for her stomach.