Cosplay Deka. As a result of her "vigorous attitude," Ritsuka is known as the Tomboy Sakuraya Police Station. She was accused of a cosplay scandal while on duty. Earlier that day, she found a teenager who had been assaulted by an unknown man in the men's bathroom. She and two other police officers from the Criminal Investigation Department, Daisuke Takaya and Eiji Itsuki, are trying to locate the perpetrator.