The Dolpa 41 After Event is going on now at Volks USA. The limited items are being sold by lottery.
From the store:
VOLKS USA is currently conducting a lottery for Dolls Party 41 Limited Items!
Lottery Period
Acceptance from June 1st to June 10th, 2019 @4:00PM(PT)
Results Announcement
By June 14th, 2019 @4:00PM(PT)
Item Line-Up