
You might think that middle-aged is synonymous with uncool, but middle-aged men in Japan, or oji-san, are currently something of a hot item.
Young Japanese women find a certain type of dorky oji-san to be “totes adorbs, yo” and are driving a boom in oji-san-related goods, including quite a number of apps featuring cutely crotchety oji-sans. Here are a few we’ve recently discovered.
- Ossan Tamago
Ossan is a more casual form of oji-san, so the name of this game translates roughly to Middle-Aged Man Eggs (a pun on onsen tamago), though the developers wisely chose to go with Boiling Ossan Eggs for the English version.
As you might guess from the name, this game involves boiling eggs. And not much else, really. Once the egg has boiled, you peel the shell to reveal the funny little man inside. You can collect the various faces, upgrade to nicer pots, buy salt for the water, but you are still just boiling eggs.
▼ Howdy!
According to the developer, however, there is a much deeper meaning: “This app demonstrates the irony of the modern-day world, by showing a little egg (a baby) being thrown into the hot boiling water (the society), results in each unique boiled OSSAN egg.”
Riiiiight.
Well, they’ve hit on something though, because the game has loads of downloads and 5-star reviews. Says one Japanese reviewer, “Waiting for the egg to boil and then peeling it has become one of the fun things I look forward to every day!”
If eggs aren’t your thing, the developer has just added a new game to the series called Ossan Train Stuffing, where you can enjoy the chaos that is a Tokyo train at rush hour.
- Setsuden! Boku, sumaho-oji-san sodatete denchi nagamochi
With what must be one of the longest app names in history, this translates to “Saving electricity! I’m the smartphone middle-aged man. Take care of me and your battery will last longer.” Let’s just call it “Setsuden,” shall we?
The little old man illustrated above is the personification of your phone, and much like the old Tamagotchi pets, he needs to be taken care of. However, if you treat him well, you’ll not only have a happy oji-san, but also a faster, uncluttered phone with longer battery life!
Applications that you don’t use or that suck battery life make your smartphone oji-san fat. By uninstalling them or turning off the function that allows them to boot up as soon as the phone is turned on, you force your oji-san to diet and exercise. In other words, Setsuden helps you get rid of the apps you aren’t using to make sure your phone, and your oji-san, are a trim and speedy as possible.
▼ “When your phone’s condition is bad, oji-san’s condition is bad too!”
Some users report getting up to two more hours of battery life by using this app, so cute characters aside, it seems like a pretty handy app to have.
- Fairy Oji-san Collection
According to legend, nabbing one of these funny little fairy oji-sans will bring you luck. Happily for you, like stray cats, they are attracted to canned food left unattended, so all you have to do is leave out a snack, then close the Japanese sliding doors for a moment. When you return, they’ll be scurrying about and you can snap them up with a tap of your finger.
According to the app, different types of fairy oji-sans will bring you different types of happiness, so you’ll have to keep collecting them to get everything you want in life. And you’ll want to play this one with the sound on, since each type makes a unique and funny noise when he’s caught.
▼ Quick, grab the cat food and run!
Oh, and if anyone is a fan of Yumiko Shaku, an animated version of her guides you through the game.
- Little Oji-san
There’s definitely a trend toward the diminutive when it comes to oji-sans. In this app, you have to look after a well-mannered little guy and his strange companion who are accidentally delivered to you house in a package.
It would be hard to refuse, given how politely the oji-san asks for your assistance. “I’m so sorry to trouble you,” he says, “But I can’t seem to return to my former size. I’m ashamed to even ask, but would it be OK if I stayed here for a while?”
Before you know it, you are feeding, cleaning up after, exercising and even bathing the little runt. In exchange, his mysterious friend gives you entertaining puzzles to solve and invites over various fairy acquaintances to grant wishes.
▼ The friend is the weird white blobby thing with the nostrils and buck-tooth. The rest are fairies.
There’s just something so cute about the drawings… and kind of gross, which about sums up the kimokawaii (cute and a little disgusting) appeal of oji-sans as well.
To be honest, after spending an afternoon playing with these apps, I’m kind of seeing the charm of the dorky oji-san. Just don’t tell my husband.
Images: Boiling OSSAN Eggs, Setsuden, Fairy Oji-san Collection, Little Oji-san









“This is embarrassing” – Japan named number one market for smartphone apps
Want to make music, but can’t play an instrument? Casio app turns your hums into full tracks!
New Japanese app bribes you with free coffee for putting down your smartphone when driving 【Vid】
Japan Self Defense Forces hoping to entice new recruits with… dancing avatar smartphone app
Are Daiso’s smartphone VR goggles worth breaking the 100-yen barrier?
Starbucks Japan releases new sakura goods and drinkware for cherry blossom season 2026
Take a trip to Japan’s Dododo Land, the most irritating place on Earth
Super-salty pizza sends six kids to the hospital in Japan, linguistics blamed
Can you eat lunch in Tokyo for less than 500 yen?
Foreign tourists in Japan will get free Shinkansen tickets to promote regional tourism
Room 404: What happened when we stayed in an unlucky hotel room in Japan
Starbucks Japan unveils new sakura Frappuccino for cherry blossom season 2026
Manga artist raises question online about false perspective in Ghibli film My Neighbor Totoro
How to use Japan’s new self-checkout supermarket carts
Is China’s don’t-go-to-Japan warning affecting the lines at a popular Tokyo gyukatsu restaurant?
Japan’s newest Shinkansen has no seats…or passengers [Video]
Foreigners accounting for over 80 percent of off-course skiers needing rescue in Japan’s Hokkaido
Downloads of 39-year-old Guns N’ Roses song increase 12,166 percent thanks to Gundam
A look back on 40 years of Japanese schools banning stuff
New Family Mart cinema opens inside Japanese airport
Man arrested in Japan after leaving car in coin parking lot for six years, racking up three-million-yen bill
Starbucks Japan releases new drinkware and goods for Valentine’s Day
Japan releases first official sakura cherry blossom forecast for 2026
Archfiend Hello Kitty appears as Sanrio launches new team-up with Yu-Gi-Oh【Pics】
China’s don’t-go-to-Japan warning looks to be affecting tourist crowds on Miyajima
Studio Ghibli releases new “komorebi” plush toys from Princess Mononoke and Spirited Away
Yokai are descending upon Tokyo this spring in the latest immersive art experience
Japan’s Naruto theme park now offering real-world version of Minato’s kunai ninja weapon
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
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
Here’s what happened when our three middle-aged reporters got makeovers with new makeup for men