Niko Sasaki (portrayed by Yuyu Kitamura) is a character from the Netflix tv series Dead Boy Detectives (2024-). Niko hails from Japan, but moved to Port Townsend, Washington, after her father's demise to finish high school. However, things took a grim turn after she got infected by supernatural parasites. Edwin, Charles, and Crystal join forces in the series to help her get rid of her parasites before it is too late. Once the parasites are out of the way, Niko becomes a part of the team and helps them with their investigations.