I just inked all of my pens in rotation up with this ink. And it behaves like the other two Diamine inks I have used in the past. It dries a little bit slower than Iroshizuku inks, but not too bad. And the flow is a little bit slower than Iroshizuku. But not that bad in the scheme of things.
This ink has a lovely light blue colour. It kind of reminds me of the standard blue colour you get with all Pilot fountain opens. But better than that in all ways. Because like everyone who reads this site knows: I can't stand that colour. It looks
If lighter colours are your thing I would recommend this ink. It is not something I would buy, because I do in general prefer darker colours.
The Diamine inks are great, they have some very interesting colours, and is a great option if you are willing to sacrifice a little bit on inflow and dry time for great colours.