Hi-Sensei

【Solved】Is your Wi-Fi slow? Double your speed just by changing the “Location” of the device!

Before getting angry and saying "My Wi-Fi is slow! YouTube keeps stopping!", check the "location" of your device. Actually, just by changing the place a little, the speed can sometimes double. I (Sensei) will teach you 3 rules to make your Wi-Fi signal stronger.

2026.01.26

SIM & Wi-Fi

【Conversation】Why can’t you “Speak” even after passing N3? The magic of “Shadowing” to become fluent like a Japanese native

"I passed the JLPT, but I can't hold a conversation..." Do you have this problem? Studying just by reading is over. I (Sensei) will introduce "Shadowing," the strongest training to get your mouth used to Japanese in just 10 minutes a day, and the legendary textbooks that seniors are using.

2026.01.26

Study

【For those who can’t get rid of fatigue】Is just a shower enough? The “Recovery Effect” of Japanese baths and “Strict Rules” at Onsen

"I'm tired every day and my body feels heavy..." To all the trainees, are you just finishing with a shower? Japanese people take a bath (soaking in a tub) every day not just to wash their bodies, but to "treat their fatigue." I (Sensei) will teach you the dramatic recovery effects of bathing and important Onsen manners (especially about tattoos).

2026.01.26

Life in Japan

【Body Pain】Can’t get rid of work fatigue? 3 “Magic Recovery Items” that Japanese seniors also use

"My body hurts from overtime every day..." To all trainees feeling this way, I (Sensei) will introduce 3 "magic items to relieve fatigue" that you can buy at Japanese drugstores or Amazon. Use Salonpas or Bub to recover your body for just a few hundred yen. Tomorrow's work will be much easier!

2026.01.26

Life in Japan

【Don’t Get Scammed】How to Choose a Used Gaming PC

"I want a cheap PC!" "I want to play games in my dormitory!" If you're thinking this, buying a used PC on Facebook is dangerous. They often break quickly or contain viruses. I (Sensei) will show you how to buy a safe, professional-refurbished used PC with a warranty (Hosho / 保証) for 20,000 to 30,000 yen.

2026.01.26

Shopping & Gadgets

【iPhone】New Ones are Expensive! Get One for Half Price with “Refurbished” Models

"iPhone 15 is too expensive (150,000 yen)..." But wait! Buying from individuals on Facebook is dangerous due to risks of scams and stolen goods. Did you know Japan has "Amazon Renewed" where you can buy iPhones that look like new for half the price? I (Sensei) will show you the trick to getting an iPhone 12 or 13 wisely and cheaply with a warranty for peace of mind.

2026.01.26

Shopping & Gadgets

【Killing Time】Unlimited Movies and Anime in the Dorm! Do You Know This Service with Free Shipping?

How do you spend your free time in the dorm? Netflix is expensive, but with Amazon Prime, you get unlimited movies and free shipping for just 600 yen a month. You can watch anime like "Demon Slayer," and the first 30 days are free! It’s a waste if you don't register.

2026.01.26

Shopping & Gadgets

【Noisy Dorm!】Magic to Erase Roommate’s Snoring! The “Best Earphones” Cheaper and Higher Performance than Apple

"My roommate's snoring is too loud," "I want to study in peace." Do you have these worries? Even if you can't move out, you'll be fine. With 6,000 yen "Noise Cancelling Earphones," you can create your own quiet world in an instant. I (Sensei) will introduce cheap, high-performance models recommended for trainees.

2026.01.26

Shopping & Gadgets

Headaches, Colds, Stomachaches… 3 “Standard Japanese Medicines” to Buy in Times of Trouble

Drugstores in Japan have so many medicines that it's hard to know which one to buy. "I have a headache," "I have a fever," or "My stomach hurts." I (Sensei) will introduce famous medicines in Japan that are helpful in these situations. Saving this on your smartphone will give you peace of mind!

2026.01.26

Life in Japan

【Might be Arrested?】Japan’s Bicycle Rules Have Become Stricter! 4 Things You Must Never Do

Bicycle rules in Japan have become very strict. If you ride while looking at your smartphone or holding an umbrella, you will have to pay a high Fine (Bakin / 罰金). I (Sensei) will teach you about the "Prohibited Items" that trainees must know and the "Bicycle Insurance" that you must join.

2026.01.26

Life in Japan