"You don't need math for murder" \- Miharu S. Meet Raizou Hiraga, a retired officer from the Tokyo Metropolitan Police Department. After learning that his grandson is stricken with a deadly illness requiring expensive treatment, Raizou comes across a vacancy flier for the mysterious SS Agency and applies for the job. However, after taking his first job with 11-year-old Miharu Suzukaze as partner, he discovers that his new occupation is more than meets the eye…A new immoral crime manga from the author of Coppelion"