The Aunt Investigator Saw It! ~The truth behind the illegal raw meat/black market trade~

Undercover investigator "Yuko Kuremachi". Although she looks like an ordinary old woman, she is actually a skilled investigator who has solved many violent cases with her own hands. The next target is an "illegal raw meat trafficking organization." Even though she is a serious criminal, she never cuts corners...Yuko disguises herself as a housekeeper and succeeds in infiltrating the organization's mansion. Yuuko finally discovers the whereabouts of the raw meat by interrogating Ichikawa, the lowest ranking man in the organization.