Detective Conan Episode 653 -

Ikuro Wakamatsu, age 25, who dies from cyanide poisoning after eating a piece of baumkuchen (cake).

While the detectives focus on the murder, Ran Mouri and Kazuha Toyama spend time gossiping about Shinichi's recent confession to Ran in London, adding a touch of romantic tension to the episode. Production Details

, titled "The Design of Poison and Mirage (S)" , is the second part of a four-episode story arc that aired on April 21, 2012. This episode continues the "Illusion" case, featuring a collaboration between Conan Edogawa and his rival/friend from the West, Heiji Hattori . Case Overview Location: The Wakamatsu family residence in Tokyo. Detective Conan Episode 653

The investigation takes a darker turn when Serika Wakamatsu is herself found dead in her office from cyanide poisoning at the end of the episode.

The episode narrows the focus to five people close to the family—Serika Wakamatsu, Masashige Shiina, Sumio Fujinami, Yoshimi Satake, and Sakurako Yonehara—all of whom have an "S" in their name, matching a clue in the dying message. Key Plot Developments Ikuro Wakamatsu, age 25, who dies from cyanide

Powdered poison is discovered on Ikuro's doorknob and Serika's slippers, initially framing her for the crime.

This arc is adapted from Files 781–786 in Volume 74 of the manga series. This episode continues the "Illusion" case, featuring a

This arc is notable for the early appearances of Masumi Sera , who continues to observe Conan’s detective skills. The Design of Poison and Mirage - Detective Conan Wiki