I don’t know why it got expensive

(1)frozen pork belly
(2)Originally, frozen pork belly was frozen and sliced into thin slices. I used to grill kimchi with pepper and put a glass of soju in my mouth
(3)It was a snack for parents who lacked pocket money for students who didn’t have enough money
(4)At some point, it started to be at a premium, and these days, it’s similar to or more expensive than refrigerated pork belly