A limited-edition pink version of OxiClean—the oxygen-based bleach that also appeared in the manga *Chiikawa*—will go on sale on October 2, 2026, as the “OxiClean 1500g Chiikawa Package.” It will be available at drugstores, home improvement stores, online retailers, the Chikawa Market, and Chikawaland nationwide, with a manufacturer’s suggested retail price of 1,500 yen (excluding tax).