[Machine Translation] Is this a forgery? Riko Rinda once had an uncomfortable feeling about the Mona Lisa at the Louvre Museum. This intuition led to a turning point in Riko's life: she was selected to participate in the "Mona Lisa" exhibition, which was to be held in Japan for the first time in 37 years. She was selected for the staff recruitment examination for the exhibition! It was her first big stage as a recognized appraiser. Riko puts everything she has worked for to pass the exam, but the mystery of the "Mona Lisa" strikes her. The biggest crisis of all! This is the 9th installment of the newly written "Q Series".