
Osamu Mukai is a well-known drama and commercial actor in Japan, best known for playing heart-throb types on prime time TV. He also apparently does not speak English or pay much attention to his fashion choices, as a recent appearance on what seems to be a typical Japanese evening talk show proves.
While the majority of the Japanese audience probably had no idea what the English on the actor’s drab green T-shirt meant, one eagle-eyed Twitter user seems to have noticed, and thus immortalized, Mukai’s unfortunate fashion choice for the world to see.
In the screenshot, Mukai is pictured standing next to a particularly petite Japanese talento actress looking down at something and laughing. Quite whether he’s in on the joke, we’re unsure, but his smile pairs incredibly well with his T-shirt, whose message reads: “PLEASE TRUST ME. I AM ASSHOLE.”
友達から送られてきて笑った
— くもすずめ (@yuuuka_1006) September 2, 2014
Now, it seems to us that if the shirt had at least used the grammatically correct “an” before the “asshole” part, it would at least have a sort of ironically humorous message, but “I AM ASSHOLE,” in addition to being bad English, sort of conjures up the image of, you know… a literal butthole.
In an even more humorous twist, the Japanese Interwebs is known to have a laugh at “stupid foreigners” wearing T-shirts with dumb Japanese kanji characters on them, so the Mukai photo has most likely left more than a few commenters eating crow.
Since these language-based “wardrobe malfunctions” seem to happen with relative frequency (and not just in Japan), our advice is this: Play it safe and only wear T-shirts featuring text either in your native language, or failing that Wingdings.
Source: Hachima Kikou
Photo: @yuuuka_1006 (Twitter)

Viral Japanese cheesecake from Osaka has a lesser known rival called Aunt Wanda
Ramen for 99 yen?!? Best value-for-money noodles found at unlikely chain in Japan
Japanese restaurant chain serves Dragon Ball donuts and Senzu Beans this spring
Lawson adds doughnuts to its convenience store sweets range, but are they good enough to go viral?
It’s all about the isopod – Company pushes gifts and fashion featuring weird, sexy marine bugs
Viral Japanese cheesecake from Osaka has a lesser known rival called Aunt Wanda
Ramen for 99 yen?!? Best value-for-money noodles found at unlikely chain in Japan
Japanese restaurant chain serves Dragon Ball donuts and Senzu Beans this spring
Lawson adds doughnuts to its convenience store sweets range, but are they good enough to go viral?
It’s all about the isopod – Company pushes gifts and fashion featuring weird, sexy marine bugs
Studio Ghibli releases new Totoro tenugui anime art for the rainy season in Japan
Cherry blossom mochi lattes arrive at Japan’s Pronto cafe chain to start sakura sweets season
Can we be just like Shohei Ohtani on a budget with a Hello Kitty cap?
The best Hobonichi diaries, covers and stationery for 2026
Back by popular demand! McDonald’s Japan brings back “American” series
Starbucks Japan releases first-ever Hinamatsuri Girls’ Day Frappuccino
Highest Starbucks in Japan set to open this spring in the Tokyo sky
Japan Extreme Budget Travel! A trip from Tokyo to Izumo for just 30,000 yen [Part 1]
Japan has only one airport named after a samurai, so let’s check out Kochi Ryoma【Photos】
Japan Extreme Budget Travel! A trip from Tokyo to Izumo for just 30,000 yen [Part 2]
Japan’s craziest burger chain takes menchi katsu to new extreme levels
Japanese drugstore sells onigiri at pre-stupid era prices, but how do they compare to 7-Eleven?
Yakuzen ramen restaurant in Tokyo is very different to a yakuza ramen restaurant
Tokyo Skytree turns pink for the cherry blossom season
Japan’s newest Shinkansen has no seats…or passengers [Video]
Starbucks Japan releases new sakura goods and drinkware for cherry blossom season 2026
Foreigners accounting for over 80 percent of off-course skiers needing rescue in Japan’s Hokkaido
Super-salty pizza sends six kids to the hospital in Japan, linguistics blamed
Starbucks Japan unveils new sakura Frappuccino for cherry blossom season 2026
Foreign tourists in Japan will get free Shinkansen tickets to promote regional tourism
The 10 most annoying things foreign tourists do on Japanese trains, according to locals
Take a trip to Japan’s Dododo Land, the most irritating place on Earth
Naruto and Converse team up for new line of shinobi sneakers[Photos]
Is China’s don’t-go-to-Japan warning affecting the lines at a popular Tokyo gyukatsu restaurant?
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
Starbucks Japan releases new drinkware and goods for Valentine’s Day
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
Studio Ghibli releases new Totoro tenugui anime art for the rainy season in Japan
Cherry blossom mochi lattes arrive at Japan’s Pronto cafe chain to start sakura sweets season
Can we be just like Shohei Ohtani on a budget with a Hello Kitty cap?
The best Hobonichi diaries, covers and stationery for 2026
Back by popular demand! McDonald’s Japan brings back “American” series
Take a trip to Japan’s Dododo Land, the most irritating place on Earth
We zapped up some tasty hot sandwiches in the microwave with 3COINS’ new gadget from Japan
We tried six Japanese burger chains’ coffee to test the state of fast food coffee in Japan[Taste test]
Potama serves up epic rice balls like no other, and there’s only one store in Tokyo
17 new designs unveiled in round two of regional Japanese license plates
Japanese Phantom Cheesecake: A sweet so popular 2,000 sold in ten minutes
Uniqlo Japan offers custom suits for super affordable prices
This Akihabara restaurant is the new best place in Tokyo to eat chicken nanban