The coffee shop which a Taiwanese mom, Bibian run. As for the Koko, it is in the gathering place of the regular customer whom there are a novelist and reason including prodigal College Girl not to sell in. The one in the So, the Shoko did the part-time job of the all-rounder of the false Tantei in a shop of the Bibian, but are rolled up in a bizarre serial killing case because they received the request of the Sutookaa investigation.
