1. First, open the Mito Xiu Xiu program and click the "Beautify Pictures" option on the page.

2. Then open the picture in which one character needs to be erased. In the picture below, the characters on the right need to be erased.

3. Click the Eraser button in the page toolbar.

4. Then use an eraser pen to smear the part that needs to be removed, which can be smeared repeatedly to achieve the best effect.

5. After waiting for the program to load, you can see that the original character image on the right has been blotted out.