
More details of the crime emerge, but the question of “why” remains.
On 24 August, residents of the upscale area around Shirokane-takanawa Station were shocked when a sudden attack involving a substance believed to be sulfuric acid occurred at the station’s exit. The victim, a 22-year-old male, was splashed in the face with the highly corrosive chemical, some of which also came into contact with the leg of a 34-year-old female bystander.
The suddenness of the crime allowed the suspect to slip away unnoticed, except by the surveillance cameras posted at the exit. The assailant was later identified as 25-year-old Hirotaka Hanamori of neighboring Shizuoka Prefecture.
▼ News report showing the scene of the crime and surveillance images of Hanamori.
https://www.youtube.com/watch?v=wtOtsp8NPvU
Media swarmed to his home and interviewed neighbors, many of whom gave the usual “he was a polite boy, who mostly kept to himself” description. It was reported that both his parents were medical workers who succumbed to diseases in the past ten years, during which time Hanamori also grew increasingly distant from other friends and family.
It was also revealed that Hanamori was his victim’s senpai in the same extra-curricular film club while they both attended a university in Okinawa Prefecture. However, no details on their exact relationship have been revealed yet.
This surprised many readers of the news, who had initially thought the attack was professional hit given the speed in which it was done and ritzy area it was done in.
“So it wasn’t a yakuza hitman?”
“I wonder if this was over a woman, or maybe they were in a relationship together.”
“Everyone jumped from ‘yakuza assassin’ theories to ‘gay lover’ theories really fast.”
“I should have known, a pro would never just wear one glove.”
“If this was a personal grudge, then why did he do it in such a public place and where everyone knows surveillance cameras are?”
“What kind of hitman uses acid anyway?”
“I want to know what kind of club these guys were involved in.”
All these questions and more may soon be answered though.
Immediately after the attack, Hanamori boarded a Shinkansen train in the direction of Shizuoka. However, police were able to follow his escape and on 28 August detained him in Okinawa Prefecture, nearly 2,000 kilometers (1,242miles) away. Hanamori’s destination being the same as his former university raises the possibility he may have been searching for another victim rather than simply hiding.
▼ The suspect managed to put a lot of distance between himself and the crime scene in only a few days.
It will take time for him to be transported back to Tokyo and interrogated for a clearer picture of what triggered this disturbing assault. However, this will be of little consolation to his victim, who is expected to require six months to recover from his injuries.
Source: Yomiuri Online, TBS News, Nikkan Sports, Itai News
Top image: Pakutaso
● Want to hear about SoraNews24’s latest articles as soon as they’re published? Follow us on Facebook and Twitter!

Acid attack occurs at Tokyo subway station as man gets sulfuric acid thrown in his face
Man arrested for stealing a pack of lactic acid drinks from Osaki City Hall
Japanese citizen injured in Paris acid attack, Ministry of Foreign Affairs posts note of caution
Elderly pickpocket “Calling Tamako” finally apprehended after string of Tokyo thefts
Guesthouse owner arrested for slashing guest who sprinkled too much pepper on his own food
Private booths are coming to Japan’s Shinkansen bullet trains even sooner than we’d thought【Video】
Japanese beef bowl chain Sukiya’s 2026 Smile Box lucky bag basically pays for itself
Top Japanese cosplayer Enako returns to Comiket after 6 years, creates mayhem with admirers
The Purple Lucky Bag from Village Vanguard is an extra-large waste of money
Dragon Quest Burgers and Slime drinks are coming to McDonald’s Japan【Video】
Rakuten randomly offers 58 New Year’s osechi feasts in Japan, but did we get a star or a dud?
Japanese shiitake mushroom snacks from Don Quijote, created for people who don’t like mushrooms
We taste makunouchi bento at four Japanese convenience store chains【Taste comparison】
Coca-Cola Japan unveils new sakura design bottle for cherry blossom season 2019
The 5 best Japanese bento to buy at Kyoto Station
Starbucks Japan ready to get Year of the Horse started with adorable drinkware and plushies【Pics】
Hayao Miyazaki says Happy New Year to Studio Ghibli fans with new art for Year of the Horse
Cup Noodle tries an authentic Jiro-style ramen, but something’s not quite right
The best Starbucks Japan Frappuccinos we want to drink again in 2026
We revisited Sweets Paradise after a decade to see if Japan’s dessert buffet still delivers
That time Seiji called JASRAC to ask why he didn’t get paid royalties for his song being on TV
We found possibly the quietest Japanese-style hotel in Tokyo’s bustling Shinjuku district
Pizza Hut Japan’s hot lucky bags are perfect for a New Year’s pizza party
Japan’s oldest largetooth sawfish in captivity back on display in Mie Prefecture
7-Eleven Japan starts new temporary luggage storage service in over 300 branches
Disillusionment at Tsukiji’s tourist-target prices led us to a great ramen restaurant in Tokyo
Starbucks teams up with 166-year-old Kyoto doll maker for Year of the Horse decorations【Photos】
Tokyo considering law requiring more trash cans following litter increase in heavily touristed area
Tokyo’s Tsukiji sushi neighborhood asks tour groups to stay away for the rest of the month
Tokyo event lets you travel back in time, for free, to celebrate 100 years since Showa era start
Japan may add Japanese language proficiency, lifestyle classes to permanent foreign resident requirements
Sanrio theme park in Japan announces plans to expand into a Sanrio resort
Stamina-destroying “Paralysis Noodles” are Tokyo’s newest over-the-top ramen innovation
Survey asks foreign tourists what bothered them in Japan, more than half gave same answer
Japan’s human washing machines will go on sale to general public, demos to be held in Tokyo
Japan’s deadliest food claims more victims, but why do people keep eating it for New Year’s?
We deeply regret going into this tunnel on our walk in the mountains of Japan
Studio Ghibli releases Kodama forest spirits from Princess Mononoke to light up your home
Major Japanese hotel chain says reservations via overseas booking sites may not be valid
Put sesame oil in your coffee? Japanese maker says it’s the best way to start your day【Taste test】
No more using real katana for tourism activities, Japan’s National Police Agency says
Starbucks Japan reveals new sakura drinkware collection, inspired by evening cherry blossoms
Updated cherry blossom forecast shows extra-long sakura season for Japan this year
Live streamer killed on Tokyo street had her location tracked by attacker through stream
Man who stole two packs of ground beef tracked by police for about 1,000 kilometers across Japan
More yakuza members caught stealing huge haul of sea cucumbers from the ocean
Hokkaido woman arrested for stealing 1.9 million yen from convenience store in broad daylight
Twitter users band together to help find road-rage attacker in Osaka 【Video】
Tokyo train stations get new Olympic melodies and signage for the Games
Navigate your way through Japan’s busiest train stations with Google Street View
Station of despair: What to do if you get stuck at the end of Tokyo’s Chuo Rapid Line
Japanese man rides 1,000 kilometres on stolen mamachari bicycle to see Tokyo for first time
Why do people spend so long in jail without going to trial in Japan?
Attempted murder at a Japanese train station
“Men-only train car” to run in Tokyo as part of “Weak Men’s” association awareness campaign
Osaka zookeeper caught stealing chimpanzees’ food
Police in Japan warn of new Shinkansen/travel-related scam
Tokyo big walk – Walking from Tokyo Station to the Big Sight convention center on Tokyo Bay【Pics】
Pokémon GO player arrested for punching another player in the face
Leave a Reply