Gifu Cake Shop Arson: Death of 70-Something Executive Ruled Burn Shock

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The story

In a fire at a cake shop in Motosu, Gifu Prefecture, that left five men and women dead or injured, police announced on the 8th that an autopsy found the cause of death for a 70-year-old male company executive — who died at the hospital he was taken to — was burn shock from full-body burns. Based on conditions at the scene, police believe the executive may have been involved in the incident and are continuing their investigation. With the motive and witness accounts still unclear, posters on the thread speculated wildly about how an uninvited person came to be at the scene, and about a mismatched headcount some compared to Moto Hagio’s classic manga 11 Nin Iru! (“They Were Eleven”).

9/8 (Tue), 7:49 PM

Mainichi Shimbun

In the case of a fire that broke out at a cake shop in Motosu, Gifu Prefecture, leaving five men and women dead or injured, police announced on the 8th that the cause of death for a 70-year-old male company executive, who died at the hospital he was taken to, was burn shock from full-body burns. This was determined through an autopsy. Based on conditions at the scene, police believe the executive may have been involved in the incident.

Source: topics.smt.docomo.ne.jp / Original article here

What people said

5AnonymousSep 8, 2026 22:50
So an uninvited guy showed up with a knife and gasoline?
7AnonymousSep 8, 2026 22:52
Re: #5
Sounds like a witch out of a Disney movie.
8AnonymousSep 8, 2026 22:52
Sounds like he wanted to stab people, torch the place, and escape — but ended up taking himself out instead.
21AnonymousSep 8, 2026 22:58
This thread where nobody gets the 11 Nin Iru! reference
46AnonymousSep 8, 2026 23:04
Re: #21
Well, popular as it was, it's an old shojo manga — most people probably have no clue what it is.
58AnonymousSep 8, 2026 23:08
Re: #21
I watched the anime once but remember it not being that interesting…
108AnonymousSep 8, 2026 23:23
Re: #21
A horrific, awful incident like this shouldn't be mentioned in the same breath as a Moto Hagio masterpiece.
26AnonymousSep 8, 2026 23:00
Still no witness testimony coming out.
81AnonymousSep 8, 2026 23:14
Re: #26
Yeah, nothing yet. The funeral director apparently said something about him not being invited, but nobody's actually come forward saying they witnessed the crime itself.
94AnonymousSep 8, 2026 23:20
Re: #26
It's been on TV news though.
31AnonymousSep 8, 2026 23:01
Sounds like the plan was: kill them, set the fire, escape, and get in the car — but when he doused the place in gasoline and lit it, of course the flames caught on him first. Got badly burned, barely made it into the driver's seat, and died there?
37AnonymousSep 8, 2026 23:02
Re: #31
Yeah, I feel like I heard about someone accidentally setting themselves on fire before too — was that the Aoba case?
93AnonymousSep 8, 2026 23:20
Re: #31
Like in Rambo — soak the spot you want to burn, then trail off in a thin line like a fuse, and light it from outside the entrance by tossing in a spark. Though Rambo used gunpowder from a gun shop, not gasoline.
40AnonymousSep 8, 2026 23:03
Even if he'd survived, this was a death-penalty case regardless.
42AnonymousSep 8, 2026 23:04
Re: #40
The families probably wished he could've been saved — just barely — so they could kill him properly themselves.
60AnonymousSep 8, 2026 23:09
Re: #40
But he's only got 2 kills right now, so it's kind of borderline.
69AnonymousSep 8, 2026 23:12
Still no motive? And why did it end up with 10 classmates getting burned to death anyway?
74AnonymousSep 8, 2026 23:14
Re: #69
Classmates staying silent… there's some darkness in there that can't be made public…
75AnonymousSep 8, 2026 23:14
Re: #69
It's the result of him crashing a mahjong tournament the classmates were holding among themselves. How he even found out about it is the real mystery.
76AnonymousSep 8, 2026 23:14
Re: #69
Normally you'd assume there was some bullying involved, I'd guess.
83AnonymousSep 8, 2026 23:16
Whether it's Hayashi or Aoba, they probably acted on some inner voice of God.
113AnonymousSep 8, 2026 23:26
Re: #83
More like an inner evil spirit, no?
157AnonymousSep 8, 2026 23:39
Re: #83
What Aoba hit was a studio that represented Japanese anime as a whole — this is just some cake shop out in the countryside. Not sure what 'meaning' there's even supposed to be here.
88AnonymousSep 8, 2026 23:18
What is up with this guy — [Gifu Cake Shop Fire] 'Had been dating the female shop owner for several years' — deceased man (70) left behind records of a 'trip to North Korea' <Police investigating on suspicion of murder and arson> (Bunshun Online)
https://news.yahoo.co.jp/articles/df600a9e9263818a7e8c044453840693d12915e4
110AnonymousSep 8, 2026 23:24
Re: #88
>'trip to North Korea'
Does that mean he knew Madam Dewi too?
111AnonymousSep 8, 2026 23:24
Re: #88
Is that also why he had ties with Madam Dewi?
96AnonymousSep 8, 2026 23:21
He only invited 10 people, but there were 11. That's such a classic horror-story setup, isn't it — everyone ends up dead in the end.
101AnonymousSep 8, 2026 23:22
Re: #96
Lame punchline though — turns out it's just some uninvited guy who showed up.
137AnonymousSep 8, 2026 23:34
Re: #96
Wait, hold on. If he invited 10 people, that's 11 including himself, right? Then one more person crashes it, everyone dies… and the bodies found still number 11. Wait, what? Isn't that the actual horror twist?
145AnonymousSep 8, 2026 23:37
He was a 70-year-old company executive, so he must've had a fair amount of money. What could possibly have driven him to do something like this? He could've just spent his remaining years taking it easy.
149AnonymousSep 8, 2026 23:38
Re: #145
Sounds like he lived alone with his daughter.
163AnonymousSep 8, 2026 23:43
Re: #145
He probably loved himself an awful lot. That alone seems like it'd explain most of it.
173AnonymousSep 8, 2026 23:48
Re: #145
Having money is exactly what makes people's attitudes turn arrogant. All he had was money, but he convinced himself that made him important.

Background and Key Points of This Discussion

What police announced was only the cause of death as determined by autopsy — the executive’s suspected “murder and arson” remains just that, a suspicion, at this stage. Motive and witness accounts had not been made public as of the evening of the 8th, and the thread’s speculation ballooned to fill that gap. Especially prominent were comparisons to the Kyoto Animation arson attack (Shinji Aoba), still fresh in public memory, with posters repeatedly drawing parallels between the self-injurious arson method and the idea of an “inner impulse.” A weekly-magazine report (Bunshun Online) on the executive’s travel history to North Korea was also shared, though it’s worth noting this comes from a separate media source, not a police announcement. The core questions — the motive, his relationship with the cake shop’s owner, and how an uninvited person came to be at the scene — remain unconfirmed and under investigation, and most of the thread’s posts amount to nothing more than speculation.

*This article is excerpted and summarized from the 5ch (Breaking News+) thread “[There Were 11] Executive Man Suspected of Involvement, Cause of Death Was Burn Shock — Fire at Gifu/Motosu Cake Shop.”

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