The amnesiac Hitomi Hoshino was taken in by Mao Lilan and moved into the office as a "distant cousin". She showed amazing observation skills that were inconsistent with her weak appearance, and inadvertently helped Conan solve a small case, which aroused the strong vigilance of Conan and Haibara Ai. At the same time, peripheral members of the organization were searching for "lost treasures" in Tokyo and had a brief confrontation with Hitomi. Hitomi's physical instincts allowed her to fight back easily, but the memory fragments made her confused.
