FuRyu announced a new line of BiCute Dark figures, which is a companion series to its BiCute Bunnies line, and the first characters in it will be the five Nakano sisters from The Quintessential Quintuplets. The company's official announcement shared release windows for the first three, and details about Yotsuba and Itsuki Nakano came up on social media. These are prize figures, and the first release will be Ichika Nakano in September 2025.