Takahiro Okura's Tool & Stall is an everyday mystery featuring 23-year-old Shu Shirato, who is short of money yet unable to refuse a friend in need. When a friend suspected of murder comes to him for help, Shirato is drawn into a series of close-to-home mysteries.

Unable to turn away a request for help, Shu Shirato once again finds himself in the middle of an unexpected case.