A multilingual life decision assistant for living in Japan.

Compare options, follow checklists, and make practical decisions about mobile plans, housing, commuting, food, procedures, and work in Japan.

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Not a travel blog. A practical decision guide for daily life in Japan.

Main categories

Mobile plans

Compare major carriers, budget SIMs, eSIMs, and payment requirements.

Area guides

Choose neighborhoods by rent, commute, quietness, and daily convenience.

Useful places

Find resident-friendly restaurants, cafes, shops, and everyday places.

Life tools

Use checklists, calculators, and decision trees for daily-life choices.

Start here

If you are not sure where to start, use these entry points to build your decision order.

First week setup

Order mobile, address, commuting, shopping, and safe meal spots.

Compare mobile plans

Start with documents, payment, data, calls, and coverage.

Choose an area

Compare Tokyo areas by rent feel, commute, quietness, and daily convenience.

Find useful places

Start with places that are solo-friendly, clear about smoking, and easy to pay at.

Submit a useful place

Submissions are reviewed and normalized before publication.

Ward office checklist

Check address, residence card, insurance, pension, and My Number after moving in.

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Later, logged-in users can view saved articles, places, mobile plans, areas, and tools.

Mobile plan entry

Start by filtering plans by documents, payment method, data needs, and coverage.

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ahamo

ahamo

Price: ¥2,970 for 30GB; ¥4,950 with ahamo oomori 110GB option; confirm official latest price
Data: 30GB base, 110GB with paid oomori option
Documents: Identity documents usually need confirmation
Japanese credit card: Not necessarily credit-card-only; confirm official conditions

Payment: credit card, bank transfer

Recommended for: medium data users, people who want a simple docomo-brand online plan, users who value short domestic calls and overseas data conditions

Pros: docomo network, simple 30GB base plan

Watchouts: online-focused support, not the cheapest if you use very little data

Prices and conditions can change. Check the official site before applying.

View plan details

LINEMO

Best Plan

Price: from ¥990; confirm current official price
Data: 3GB to 10GB tier; Best Plan V offers larger data
Documents: Identity documents usually need confirmation
Japanese credit card: Not necessarily credit-card-only; confirm official conditions

Payment: credit card, bank transfer, confirm PayPay-related conditions on official site

Recommended for: light to medium data users, people who prefer online setup, users who want a SoftBank-brand option without full carrier pricing

Pros: online signup, SoftBank network

Watchouts: online-only support, campaigns and plan tiers can change

Prices and conditions can change. Check the official site before applying.

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Area guide entry

Future guides will compare rent, commute, daily convenience, quietness, and fit.

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Submit a useful place

Submissions are reviewed and normalized before publication.

Submit a useful place

Useful places

Starting with practical, everyday, resident-friendly places.

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Denny's

family-restaurant · Multiple areas · Varies by branch

¥800-¥2,000 Solo-friendly: Yes Non-smoking: Confirmed non-smoking Japanese difficulty: Easy

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Gusto

family-restaurant · Multiple areas · Varies by branch

¥600-¥1,800 Solo-friendly: Yes Non-smoking: Confirmed non-smoking Japanese difficulty: Easy

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Royal Host

family-restaurant · Multiple areas · Varies by branch

¥1,000-¥2,500 Solo-friendly: Maybe Non-smoking: Confirmed non-smoking Japanese difficulty: Easy

View details

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Later, logged-in users will save articles, places, mobile plans, areas, and tools.

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Latest articles

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Japanese Phrases for Apartment Viewings in Japan

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Moving Out of an Apartment in Japan: What to Check Before You Leave

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Should You Buy a Commuter Pass in Japan? Suica, PASMO, and Route Checks

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Shopping for Daily Life in Japan: Convenience Stores, Supermarkets, Drugstores, and 100-Yen Shops

A practical guide for deciding when to use convenience stores, supermarkets, drugstores, 100-yen shops, or online shopping in Japan based on budget, hours, payment, and location.