In fact, these animated and colorful Kigurumi outfits are often used as cosplay costumes in various fun filled events like costume party. Cosplay has been gaining popularity year after year, flooding the geekdom with expertly-crafted costumes that can take months, or even years, to design and assemble. The cosplay costume for Usaki Todo is crafted from dark brown fabric, with a doll signal on the left arm. The majority of people are unaware of the fact that these colorful outfits first evolved in Japan.