If you're new to 4chan or 4plebs navigation, click on the >>numbers to navigate. To see all posts by some poster, search for a few characters of their ID. Also, MM identifies himself with previously unseen component art that no-one else will likely have, and MC by posting 'Lum's, and, signing her name. And, by sounding like Murdoch Chan ;).
2021-07-09 Murdoch says DM's dad (senpai) has health problems, sets(ish) a time-range for the book, and, starts to make arrangements for AMA5. (No link for safety reasons.)
2021-06-03 Murdoch says they're taking a break, will do an AMA, and that he wants to write a book.
2021-02-01 Murdoch appears in a thread, asking for books to read.