Lawson "Beef Sukiyaki Man" has a melty egg yolk sauce! "Raw caramel bun" and "vinegar pork bun" are also good
At each Lawson store, new Chinese steamed buns that are particular about the raw materials and fabrics used are being sold in sequence. "Beef sukiyaki bun," "raw caramel bun," and "vinegar pork bun supervised by Beijing Hotel".