Have you ever dreamed of having a bra that could change colors when you bumped boobs with a girlfriend? Yeah, we haven't either. Nevertheless, it now exists [1]. Japan has revealed a new addition to the bra industry in the form of an unofficial Frozen-inspired lingerie piece made of electronic paper that changes from a snowflake design to a starry-night one with just a brush of a fellow friend's breast. The Close Sister Bra is made by Triumph, a Japanese lingerie manufacturer who said that with the bra, it hopes to honor the bonds women form [2] with each other. And what better way to do that than with interconnected lingerie based on a children's movie? Makes sense. Watch how the breast-supporting wonder that is the Close Sister Bra works: