The "Default Blog" template in the Shopify theme "Dawn" has a fixed number of blog post cards displayed per page: 6. Since you may want to increase the number of posts displayed at once, this is a setting example that allows you to set the number of posts displayed as you wish.
Sample Codes
Test Theme :Dawn/Rise 15.2.0
Add scheme to "main-blog.liquid"
Add a label to "ja.schema.json"
Modify the code in "main-blog.liquid"

- Choosing a selection results in a full page refresh.
- Opens in a new window.