
”I wanted to damage their public images” he says of misguided quest for justice for another member of the group.
Being an idol singer in Japan means being judged as much for your appearance and projected personality as your singing and dancing talent, and so anyone stepping into the industry will definitely benefit from having not only a pretty face, but also thick skin. When people make disrespectful comments about a particular performer, often her only course of action is to stay strong and not let it affect her, but this week one disgruntled idol fan’s online hatred has landed him in trouble with the law.
Officers from the Tokyo Metropolitan Police Department have arrested Akihiro Kaku, a 50-year-old resident of the Nishi Ochiai neighborhood of the city’s Shinjuku Ward. The arrest comes as a result of comments Kaku posted on Twitter in May of 2019.
Among the comments Kaku made via the social network was one in relation to Marina Nishigata, a member of Nigata Prefecture-based idol unit NGT48. “Using stimulants has ruined her thought process and sense of humanity, so no matter what you say to her, it’s pointless,” Kaku tweeted, with the term he used for “stimulants,” kakuseizai, generally being used in Japanese to refer to methamphetamines. Other comments Kaku posted insinuated that fellow NGT48 members Minami Kato, Yuka Ogino, Ayaka Tano, and Eno Yamada also were users of illegal drugs.
▼ Marina Nishigata
新年一発目の握手会ありがとうございました!!!!すっごく楽しかったです😭✨おやすみメールが送れなかったので...今からSRします!よかったら遊びに来てください😭💓 pic.twitter.com/A2fgSmE3kI
— 西潟茉莉奈 (@marina_ngt48n) January 6, 2019
After becoming aware of the posts, NGT48’s management company requested assistance in determining the identity of the person who had sent the tweets, with the ensuing investigation leading to Kaku, who was arrested on July 21 on charges of libel. Kaku has admitted to the charges, saying “I suspected the five of them were involved in the assault of another NGT48 member, and I didn’t trust them. My aim was to damage their public images.”
While not mentioning her by name, Kaku is no doubt referring to Maho Yamaguchi, who was attacked by two men at the entrance to her home on December 8, 2018. After being asked by NGT48’s management company to wait to go public with the incident, Yamaguchi broke her silence one month later. Following her announcement, there was speculation among fans other members of the group had leaked Yamaguchi’s home address and/or schedule to her attackers, and Kaku apparently believed that the five women he accused of drug use in his tweets were responsible, despite internal and police investigations determining that no NGT48 member had any criminal culpability.
Deplorable as Kaku’s motivation may have been, some may find it surprising that you can get arrested in Japan for Twitter accusations that a celebrity uses drugs. However, the Japanese entertainment industry routinely takes an extremely strict anti-drug stance, with studios and music companies quickly cutting ties with even A-list talent if they’re found to have been in possession of illegal substances, and often also purging the performer’s completed works from circulation. As a result, Kaku’s accusations of drug use had the potential to severely damage the careers, and livelihoods, of the idols he was trying to spread false rumors about, resulting in proof that, hard as it may be to believe at times, there actually is a limit to what idol fans are allowed to get away with saying.
Source: NHK News Web, MSN/Mainichi Shimbun
Top image: Pakutaso
● Want to hear about SoraNews24’s latest articles as soon as they’re published? Follow us on Facebook and Twitter!

Idol manager resigns after attack on singer, company claims no group members broke law
Japanese idol singer who was attacked at home makes on-stage apology for “causing commotion”
One of the busiest stations in Tokyo is changing the name on its signs, but not necessarily to make it easier for people to find their way around.
Japan’s permanent Pokémon theme park zone announces grand opening date, ticket sale start
Stay in a Tokyo hotel with a train driver’s seat in the room
Starbucks Japan unveils the new Soupuccino
Maker of Japan’s first crane machine is looking for a working model, offering 100,000-yen reward
National Geographic names Yamagata Prefecture on its “Best of the World 2026” travel destinations
Famous Japanese painter’s centuries-old cat artwork proves Japan has always loved felines
Honda Fit and Weekly Shonen Jump magazine create stunning Japanese itasha manga car【Pics】
Totoro embroidered bags and pouches are as fluffy and cute as the Ghibli star himself【Photos】
Autumn is a great time to visit Uonuma, a gem of Japan’s heartland
Brand-new Pokémon park opens in Japan with larger-than-life-size Lapras【Photos】
Unique inclined elevator in Japan leads to a town that inspired Studio Ghibli’s Spirited Away
Naturally brown-haired Osaka student sues government for forcing her to dye her hair black
Tokyo hotel lets you make your stay a Sanrio one with special My Melody and Kuromi rooms【Pics】
Real takoyaki is almost impossible to find in Tokyo, but this place has it, our hardliner says
Step into Japanese culture with Converse’s new Japan-exclusive shoes featuring gods, sushi style
New Kyoto experience package lets you film epic samurai battles with your friends
Studio Ghibli releases new Ursula’s blanket from Kiki’s Delivery Service
Tokyo all-you-can-eat senbei deal is perfect for newbies to the world of beloved Japanese snacks
Sanrio and Sonic the Hedgehog characters become fast friends with new plushie collection
Studio Ghibli releases new “komorebi” plush toys to brighten your days
JR Hokkaido train driver in trouble for reading book about trains on stopped train
Studio Ghibli releases new anime tea and mugs in Japan
Tokyo bento boxed lunch shop charges different prices depending on how heavy your laptop is
Studio Ghibli anime stoles are here to keep you warm with a range of famous characters
Japan has vending machines that put protective film on your phone for you — Here’s how to use them
Totoro fountain figurine recreates the sights and sounds of one of anime’s most memorable scenes
Starbucks Japan unveils new Christmas Frappuccino and holiday drinks for 2025
Survey asks foreign tourists what bothered them in Japan, more than half gave same answer
Possessing Harry Potter’s Sword of Godric Gryffindor is now illegal in Japan
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】
The top 10 annoying foreign tourist behaviors on trains, as chosen by Japanese people【Survey】
No more using real katana for tourism activities, Japan’s National Police Agency says
One of Japan’s most beautiful hot spring towns announces new limits on number of day trippers
“It doesn’t feel like I’m alive” – Idol breaks silence after two male fans attack her at home
McDonald’s offering massive 48-McNuggest bucket in Japan, but true idol fans need to eat 1,200
“There are many mentally unwell girls in AKB48” claims ex-member of Japan’s top idol singer group
Idol singer mega-group AKB48 cancels annual General Election following string of scandals
Exec from idol singer group SKE48’s management company arrested on child prostitution charges
Former idol singer arrested on fraud charges, police say she found victims through dating apps
Foreign man arrested for grabbing former AKB48 idol on Tokyo street, forcing her to ground
AKB48, Japan’s biggest idol singer group, apologizes for selling “Date Tickets”
Japanese idol singer responds to fan who gushes over how much he loves her thighs
Man pretending to be idol singer producer arrested on charge of kidnapping 14-year-old Tokyo girl
Japanese idol singer too sick to dance in music video gets replaced by CG, manga drawings【Video】
Japanese idol singer has an important request for fans: Please use deodorant
Former AKB48 idol singer gets proposed to on first date, says yes, is now married
Leave a Reply