Ch. 521Mermaid's Tomb (Combined Chapter)
Key Plot Points and Events
- Hattori Heiji suspects Shimabukuro Kimie as the killer due to her strange behavior and the Conan-science "intuition" gained from years of detective experience.
- The group investigates upstream and finds footprints leading to a small stone bridge, where they deduce the killer used a timed ignition device to scatter the photos.
- They follow the return footprints and discover a desolate grave mound with offerings, realizing it's the Mermaid's Tomb and the victim buried there is Shimabukuro Kimie's mother.
Character Developments
- Hattori Heiji: Becomes more confident in his suspicion of Shimabukuro Kimie and shows his analytical skills by deducing the killer's method of scattering the photos.
- Shimabukuro Kimie: Her actions and the discovery of the Mermaid's Tomb strengthen the suspicion against her as the killer.
Significant Themes
- Disguise and deception: Shimabukuro Kimie's ability to disguise herself as Longevity Granny and the killer's use of a timed ignition device to create an alibi.
- The past influencing the present: The murderer's actions are driven by events from three years ago, including the death of Shimabukuro Kimie's mother.
Character Interactions
- Hattori Heiji and Lin Xinyi: They work together, with Heiji providing his deductions and Lin Xinyi guiding the investigation, leading to the discovery of the Mermaid's Tomb.
- Shimabukuro Kimie and Kuroe Naoko: Kimie's behavior towards Naoko is increasingly ambiguous, and Naoko's fear grows as she begs Kimie for protection.