How to get the original formula of tofu?

The method for obtain prototype bean curd is as follows:

Tools/materials: vivo Y70s, Android 10.0, Protogod 3.63.10.5.

1, to the right of Liyue Port, as shown in the figure below.

2. Come to the grocery store, as shown in the figure below.

3. Talk to Dongsheng, as shown in the figure below.

4. Select the first option, as shown in the figure below.

5. Click on the tofu, as shown in the figure below.

6, and then click on the lower right corner to buy, as shown in the figure below.

7. Only 100 pieces per day, as shown below.