Chiikawa Summer Smartphone Cooling Sheets Launch in Four Designs

Two Japanese outlets report that a new line of Chiikawa-branded smartphone cooling sheets has gone on sale, featuring four designs inspired by summer motifs and everyday scenes from the series. The peel-and-stick sheets are designed to help reduce heat during heavy smartphone use in hot weather, combining practical utility with the popular Chiikawa character aesthetic. Characters such as Chillchill (チルチル) appear among the seasonal designs.