Ooh.. I've read the English version.
Since Ren-san has met Jack Dorsey, you'll probably see in what a different light he's shown in the book. (But that was almost 10-15 years back and people change)
Discussion
It is a quick read (very gossipy & tension-filled).
It's an easy read with lots of gossipy elements.
Of course, jack has changed over the years, including his appearance, but I have found his visionary and unique passion to be a constant😊