Originally Posted by Tenhou

Finally! Got Chise Hosokawa! Had deposited a R gacha ticket and two peronamins and was in a hurry thinking "yes yes just give me that damn ticket/pudding so i can feed you something more."

Time to save up for whenever the next one happens i guess

In the DMM (The JP provider) version, the first rotation of Kurito's cards happened after a few months (3 or 4, can't remember exactly). After that, the rotation happens every two months or so.
Also, cards seem to rotate back into Kurito's Nest every year or so