As announced on Twitter (X), we’ve started selling Rainbow Sea merchandise as of August 2024.
Please visit BOOTH to check the lineup and availability. International orders are also accepted.
https://shirokurohitsuji.booth.pm/item_lists/nevTBBX8
👆 Rainbow Sea Merchandise List
We’ll be shipping and restocking gradually as we continue development. Thank you for your patience and understanding as you place your orders and wait.