You can check out the latest raw scans on official Japanese platforms like Comic Meteor to support the original creators. What to Expect in Chapter 31:
seeks to reach Heaven's Door to save his kidnapped sister and confront a world betrayed by former heroes. The Edge of the Gate: A Tale of Two Chapters Chapter 30: The Fractured Key tenkuu no tobira raw chapter 30 read next chapter 31
Readers can find the raw version of Chapter 31 on [insert websites or platforms where the manga is available, e.g., "official manga website, or popular fan sites"]. Be sure to check back regularly for updates, as the chapter may be released in parts. You can check out the latest raw scans