I'm not sure if the manga or LN is going to go in a different direction entirely but the Web Novel on which both are based on, does make clear reference to the Author's previous work, to which Destiny Unchained Online is a shared universe sequel. That story is Worldgate Online, and DUO in its...
I noticed ublock origin was blocking something on the page, once I turned it off for mangadex it fixed...
Edit: I turned it back on afterward and it wasn't blocking anything.
Edit 2: never mind, it's happening regardless of ad blocking or not.
@Goldenzeal
Change H https://mangadex.org/title/6231/change-h-anthology
Chapter seems to be missing from mangadex though, search "10 Things I Want to Do While I'm Still a Guy"