Avoid any spoilers beyond the user's request. Since the user is looking to "read next chapter 21," the summary should end with a teaser for Chapter 21, prompting the reader to continue. Also, include some thematic elements like finding peace after conflict or redemption.
First, I need to confirm if this is an existing manga. A quick check shows that it's not a widely known title, possibly an original or niche work. The user might be looking for a summary, continuation, or analysis of Chapter 20 or a preview/summary of Chapter 21. Avoid any spoilers beyond the user's request
Make sure the text flows smoothly from chapter 20 to the preview of 21. Use appropriate chapter headers and maybe italicize certain terms for emphasis, though since it's a text to be created, formatting should follow standard practices without markdown. Check for grammar and clarity. Alright, time to put it all together. First, I need to confirm if this is an existing manga