The Case of Ayumi's Illustrated Diary 3

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Episode 1087
(Int. Episode 1145)

TV Episode 1087.jpg

Title: The Case of Ayumi's Illustrated Diary 3
Japanese title: 歩美の絵日記事件簿3(スリー)
(Ayumi no Enikki Jiken-bo Surī)
Original airdate: June 17, 2023
Broadcast rating: 5.5%
Filler case: #394
Season: TBD
Manga source: TV Original
Cast: Conan Edogawa
Detective Boys
Ai Haibara
Wataru Takagi
Kazunobu Chiba
Rumi Wakasa
Case solved by: Conan Edogawa
Next Conan's Hint: Teeth
Director: Yasuichiro Yamamoto
Nobuharu Kamanaka
Screenplay: Akatsuki Yamatoya
Storyboard: Mitsuko Kase
Episode director: Yasuichiro Yamamoto
Animation director: Kenichi Otomo
Yoshitsugu Hatano
Joji Yanase
Marie Nagano (asst.)
Kana Aoki (asst.)
Character design: Masatomo Sudo
Masanori Hashimoto (sub-character)
Hiroshi Ogawa (design works)
Opening song: RAISE INSIGHT
Closing song: Kuufuku
Prev episode: « The Inauspicious Matchmaking
Next episode: The Unfortunate and Suspicious Victim »
List of episodes

The Case of Ayumi's Illustrated Diary 3 (歩美の絵日記事件簿3(スリー) Ayumi no Enikki Jiken-bo Surī?) is the 1087th episode of the Detective Conan anime.





Conan, Haibara, and the Detective Boys went shopping, and suddenly, they heard a scream from the "Tanning Salon Kurosawa". This is how Ayumi's third illustrated diary began. Everyone sallied forth into the salon, and they saw Yasuo Tsunoda, who was in a panic. When Conan enquired him what the matter was, he pointed out that one of the customers of this salon, Shin Nishitani, was dead inside room number nine, which was the third room from the back.


EP1087 Case.jpg

Location: Tanning Salon Kurosawa
Victim: Shin Nishitani
Age: 19 years old
Cause of death: Poisoning
Suspects: Yasuo Tsunoda, Masaru Ozawa, and Takeshi Nagano
Haibara explaining how tanning makes one look healthier.

Conan walked towards the dead body and claimed that it was of no use. And discovered that there was something covered on the victim's skin. After looking at the tanning gel tossed nearby the tanning machine, this might be the poison that killed Shin. Haibara also deduced that it was obvious that the victim was a bodybuilder from his build. Takagi and Chiba arrived and started investigating the case.

The first suspect, Masaru Ozawa, is also a customer who regularly visits the salon. He claimed that they did not speak much and thus were not very close to each other. He also denied the fact that the victim had any enemies. Yasuo spoke for Masaru, saying that Masaru is currently a three-time student bodybuilding champion. He also believed that Masaru would most likely win the upcoming bodybuilding contest. The second suspect, Takeshi Nagano, is always regarded as Masaru's rival by the public. He had the determination to overbeat Masaru and win the contest. He said that he also knows the victim, and he was his junior at his school, called Beika International University. Moreover, the school's bodybuilding club is called "Beikoku Body". He also confessed that the victim had made a big purchase lately, but he did not know what it was about. On the other hand, he also seconded the statement that no one held a grudge against the victim, Shin. Later, the corpse analysis was released, and the poison was found inside the gel that covered the victim's body. The gel container nearby the victim also contained poison. Nevertheless, no poisoned gel containers were found in the other tanning rooms. This made the crime seem even more impossible, as when the Detective Boys arrived at the entrance of the salon, the corridor light was closed and it was rather dark. It would be far too difficult to see someone's face in the darkness. There would be no way for the culprit to enter the room and poison the container without being noticed, and if the culprit waited beforehand, there must have been someone who saw the culprit's face. Meanwhile, rooms seven, eight, and nine were usually used by Masaru and Takeshi, and not by the victim Shin evidently. As a result, the suspicion of Yasuo, the salon employee who knew in advance that Shin wanted to use the advanced room that day, rose sharply.

The salon distribution.

The range of suspects was then quickly narrowed down to Yasuo Tsunoda, the salon employee. He is the only person who would have known which room the victim would enter at the outset and had the opportunity to poison him beforehand. There was also a possibility of indiscriminate murder since Masaru was staying in the tanning room near the victim's room. Conan inquired of Yasuo concerning the structure of the salon. Yasuo explained that only rooms seven, eight, and nine in the back out of the ten rooms in the salon are exclusively special, as not only are they bigger but also have high-powered machines meant for advanced tanners. Another suspicious point was that the victim had always used the standard machines to tan, but remarkably, on the day of the crime, he mysteriously entered the high-powered machine room.

The Detective Boys and the police went to gather information from Shin's coach, Randy Moore. He also accounted Shin as a nice guy who had no enemies. Randy said Shin looked up to Takeshi and thus copied every move made by Takeshi. For example, whenever Takeshi starts a new training program, Shin copies it. Even so, the coach said that Shin had not arrived at the top level of competition. On the other side, the case seemed to be making huge progress. Inside the trial room, Chiba found out that he had been constantly embezzling the salon's profit and also found a poisoned gel container inside his bag. Still and all, Ayumi thought that the case might not just end like this so easily, and Conan also looked very dissatisfied with this resolution. The most prominent thing is: what is the motive for killing Shin? He never had any enemies, apparently. Conan started to review the case and flipped Ayumi's diary back and forth. And got inspired when Ayumi said the three men looked too alike and could easily be mixed up. Conan discovered the truth in this case after looking at the men's teeth. Conan then realised that the culprit's conspiracy is not over yet, and the next thing he had to do was to evit culprit's next action.


  • Resolution


    • There is a reference about the black lights from The Spark That Fell on the Ranch.
    • Ayumi's diary records "17th June", which is the same day as the episode broadcasting date.



    • Detective Boys' imaginations about the culprit:

    Genta Kojima: I see! So the culprit can see the future.

    Mitsuhiko Tsuburaya: No, the culprit can move very quickly.

    Ayumi Yoshida: I think the culprit can turn invisible.


    In other languages

    Language Title Translation
    Flag of France French (Subbed) Le journal d'enquête d'Ayumi 3 (trois) Ayumi's case files 3 (three)

    See also

    Episodes not collected in a season