# めいのマネー情報屋 / May's Money Room / May的日本情报屋 > Money optimization guides for Japan residents. Covers credit cards, points hacking, investment (NISA/IPO), and e-commerce deals. Available in Japanese, English, and Chinese. > 日本在住者向けのお金の最適化ガイド。クレジットカード還元、ポイ活、投資(NISA・IPO)、EC セール攻略を実体験ベースで発信。 > 在日生活省钱全攻略:信用卡返现、积分活动、投资(NISA·IPO)、电商大促,三语覆盖。 ## Site Info - Author: May (based in Japan, personal finance & savings specialist) - Japanese: https://may-money.com - English: https://may-money.com/en/ - Chinese: https://may-money.com/zh/ --- ## 🇯🇵 日本語 — 完全ガイド - [Amazonでポイントが貯まる|ギバース(Givearth)紹介](https://may-money.com/givearth-guide/) - [Amazonプライムデー攻略|エントリー方法とポイント還元を最大化するコツ](https://may-money.com/amazon-prime-day-guide/) - [Apple初売り完全攻略ガイド|最大38,000円還元&限定AirTag&楽天リーベイツ4.5%](https://may-money.com/apple-hatsuuri-2026/) - [Bitget完全ガイド|登録方法・手数料・安全性を徹底解説【最大6,200 USDT】](https://may-money.com/bybit-to-bitget-referral/) - [ETCマイレージサービス完全ガイド|登録方法・ポイント還元率・割引制度を徹底解説](https://may-money.com/etc-mileage-guide/) - [FamiPay完全ガイド:チャージ方法・POSA購入・最大13%還元の実現方法](https://may-money.com/famipay-guide/) - [GLADD(グラッド)完全ガイド|登録方法・送料無料テク・お得な使い方を徹底解説](https://may-money.com/gladd-guide/) - [JAL国内線タイムセール攻略|9月8・9日、全路線の運賃表](https://may-money.com/jal-domestic-timesale-guide/) - [JRE BANK完全ガイド|新幹線4割引券・グリーン券の獲得方法を徹底解説](https://may-money.com/jre-bank-guide/) - [JR九州×JR西日本「熊本DC連動キャンペーン」乗り放題きっぷ&くまモン列車を徹底解説(2026年7〜12月)](https://may-money.com/railway-jrkyushu-freepass-20260702/) - [Keepaの使い方|Amazonセールが本当にお得か確認する方法](https://may-money.com/keepa-guide/) - [Oliveアカウント完全ガイド|特典・還元率・落とし穴](https://may-money.com/olive-account-guide/) - [Powlの招待コードはどこ?入力方法と条件が軽い高額案件](https://may-money.com/powl-invitation-code-guide/) - [TikTok Lite招待キャンペーン|登録だけで即3500円!PayPay・ウエル活に交換可能](https://may-money.com/tiktoklite-guide/) - [TikTok招待キャンペーン|登録だけで8000円!(Lite版ではありません)](https://may-money.com/tiktok-guide/) - [ahamo乗り換えキャンペーン|20,000ptの条件](https://may-money.com/ahamo-mnp-20000pt-guide/) - [dポイント×Amazon連携で最大2%還元!登録方法とランク制度を徹底解説](https://may-money.com/dpoint-amazon-guide/) - [nanaco完全ガイド|セブン&i経済圏で最大11%還元を狙う電子マネー攻略](https://may-money.com/nanaco-guide/) - [povo 2.0完全ガイド|基本料0円で20年無料維持!ポイ活で5,600円ゲット【最新】](https://may-money.com/povo-guide/) - [「ポイ活」超入門㊙️](https://may-money.com/point-site-guide/) - [「秋の乗り放題パス」完全ガイド|7,850円でJR3日間乗り放題](https://may-money.com/akinori-norihodai-pass-guide/) - [【JCBカード】完全ガイド|J-POINTリニューアル・カードW/S/ゴールド比較・節約テクニック【最新】](https://may-money.com/jcb-card-guide/) - [【Marriott Bonvoy アメックス・プレミアム・カード】紹介プログラム完全ガイド|最大111,000ポイント・危険性と申し込み方法](https://may-money.com/marriott-amex-campaign/) - [【アメックス・ゴールド・プリファード・カード】完全ガイド|紹介で5万ポイント多くもらえる【2026年最新】](https://may-money.com/amex-gold-preferred/) - [【ゼッテリア】秋を先取り「巨峰シェーキフェア」8月19日開幕|ホイップ巨峰シェーキなど新作3品を徹底解説](https://may-money.com/food-zetteria-fair-20260812/) - [【ワンバンク】(旧B/43)完全ガイド – 最新|AI家計簿×Visaプリペイドカード×公共料金支払い](https://may-money.com/onebank-guide/) - [【三井住友カード(NL)】最新完全ガイド – 年会費永年無料・コンビニ最大20%還元・ポイントサイト経由がお得](https://may-money.com/smbc-card-nl-guide/) - [【三菱UFJカード】完全ガイド|対象店舗7%還元・最大20%・楽Pay活用・経済圏連携を徹底解説【最新】](https://may-money.com/mitsubishi-ufj-card-guide/) - [【最大1,000円】エアウォレット50%還元キャンペーン完全攻略](https://may-money.com/airwallet-cashback-guide-251220/) - [【最新】Amazonプライム完全ガイド|月額492円で使える10大特典と節約術](https://may-money.com/amazon-prime-guide/) - [【最新】JRE POINT完全ガイド|年間数万円節約の貯め方・使い方](https://may-money.com/jre-point-guide/) - [【最新】Rocket Now(ロケットナウ)完全ガイド|送料・サービス料0円の使い方とクーポン情報](https://may-money.com/rocket-now-guide/) - [【最新】ことら送金 完全ガイド|手数料0円で即時送金できるサービス](https://may-money.com/kotora-transfer-guide/) - [【最新】ふるさと納税完全ガイド](https://may-money.com/furusato-nozei-guide/) - [【最新】ウェル活完全攻略ガイド|毎月20日に33%OFFでお買い物する究極の節約術](https://may-money.com/welkatsu-complete-guide/) - [【最新】フードデリバリー4社徹底比較|Rocket Now・menu・Uber Eats・出前館 どれが一番お得?](https://may-money.com/delivery-app-guide/) - [【最新】投信クレカ積立→即売りポイ活完全ガイド|毎月7000円以上稼げる](https://may-money.com/credit-card-tsumitate-poikatsu/) - [【最新】楽天お買い物マラソン完全攻略|ポイント還元でお得に!](https://may-money.com/rakuten-marathon-guide/) - [【最新】楽天カード入会ガイド|紹介経由で最大11,000ポイント+楽天モバイル同時申込で31,000ポイント](https://may-money.com/rakuten-card-guide/) - [【最新】立会外分売完全ガイド|勝率約80%の低リスク投資法](https://may-money.com/bunbai-guide/) - [げん玉の紹介コード|SNS登録では使えない点と年利1%](https://may-money.com/gendama-invitation-code-guide/) - [ちょびリッチの紹介コード|1pt=1円に改定・モニターとランク](https://may-money.com/chobirich-invitation-code-guide/) - [どこかにビューーン|4000ポイントで新幹線往復、最大89%オフ!](https://may-money.com/dokokani-byuuun-guide/) - [みなトクPAY完全ガイド|区民以外も対象・中小個店25%還元・上限15,000ポイント](https://may-money.com/minatoku-pay-expansion-25percent-260902/) - [ウェル活 重ねがけ完全ガイド|PayPayキャンペーンと1.5倍を両立させる計算](https://may-money.com/welkatsu-campaigns-dec2025/) - [オクトーバーフェスト2026、東京2会場の違い|芝公園と豊洲どっちに行く](https://may-money.com/event-oktoberfest-shiba-toyosu-guide-20260911/) - [タイムズカー完全ガイド|料金改定・月額無料の裏技・お得な入会方法](https://may-money.com/times-car-share-guide/) - [ハピタス紹介・招待コード|入会特典2,300ptと交換先](https://may-money.com/hapitas-invitation-code-guide/) - [ポイナビ完全ガイド|ポイントサイト還元率を横断比較](https://may-money.com/pointnavi-guide/) - [ポイントインカムの紹介コード|下がらないランクと3つの保証](https://may-money.com/point-income-invitation-code-guide/) - [ポイントタウンの紹介コード|2,000pt特典と楽天等価交換](https://may-money.com/pointtown-invitation-code-guide/) - [モットク完全ガイド|Amazon・楽天・Yahoo!のお得情報まとめ](https://may-money.com/mottoku-guide/) - [モッピーの紹介コードと稼ぎ方|登録から交換までの完全ガイド](https://may-money.com/moppy-invitation-code-guide/) - [使用中でもOK!PayPay紹介コードで300ポイント|60日以内なら入力可能](https://may-money.com/paypay-referral-guide/) - [完全ガイド:年率1.0〜2.2%プリペイドカード活用術](https://may-money.com/idare-guide/) - [完全ガイド|口座開設・使い方・海外旅行での活用法まで徹底解説](https://may-money.com/revolut-guide/) - [完全ガイド|新規入会+初回利用で最大12,000ポイント](https://may-money.com/amazon-prime-mastercard-guide/) - [完全ガイド|駅ビル3.5%還元+定期券一体の最強カード](https://may-money.com/jre-card-guide/) - [川崎夜市が10日間開催|屋台は3日間・バル祭りはチケット制に](https://may-money.com/event-kawasaki-yoichi-guide-20261023/) - [新NISA](https://may-money.com/nisa-guide/) - [東京アプリ11000ポイント完全ガイド|申し込み・交換先・混雑回避](https://may-money.com/tokyo-app-11000-point-guide/) - [株主優待ガイド|クロス取引・長期優待・端株優待まで徹底解説](https://may-money.com/yutai-guide/) - [楽天リーベイツの紹介リンク|600pt内訳と楽天市場の罠](https://may-money.com/rakuten-rebates-referral-guide/) - [第一生命NEOBANK完全ガイド|口座開設1,500円・デビット1.5%還元・銀行ポイ活で月1,170P](https://may-money.com/dai-ichi-neobank-guide/) - [(ワイズ)完全ガイド|海外送金・マルチカレンシー口座・デビットカード活用術](https://may-money.com/wise-guide/) - [📚 IPO完全ガイド](https://may-money.com/ipo-guide/) ## 🇯🇵 日本語 — お得速報 - [本日のセール・キャンペーン(9月9日)|Amazon・楽天市場・Yahoo!ショッピング](https://may-money.com/daily-sale-2026-09-09/) - [東京モノレール、台北メトロ・桃園メトロと友好連携協定を締結|観光プロモーションを共同推進](https://may-money.com/railway-tokyo-monorail-partnership-20260704/) - [東急電鉄「東急線キッズパス」小児100円で1日乗り放題!7月17日〜8月30日の夏休み限定](https://may-money.com/railway-tokyu-kidspass-20260716/) - [東海道・山陽・九州新幹線でマイナンバーカード活用の割引商品が登場|EX 身体障がい者割引・EX U22割・EX 65+割](https://may-money.com/railway-ex-shinkansen-discount-20260806/) - [東海道・山陽新幹線「EX早特☆期間限定セール!」6月26日開始|東京〜京都・新大阪12,000円・お盆の帰省に](https://may-money.com/railway-ex-hayatoku-sale-20260626/) - [東海道・山陽新幹線「EX早特☆期間限定セール!」東京〜広島が15,000円に|お盆の予約条件・対象区間まとめ](https://may-money.com/railway-ex-hayatoku-sale-20260605/) - [松屋「乳酸菌牛めし40食」が65%OFF!外食大手5社が共演する「惣菜祭 第三弾」au PAY マーケットで7月23日開催](https://may-money.com/food-matsuya-sale-20260713/) - [松屋フーズがJR西日本「WESTERモール」に新規オープン!最大64%OFFの開店記念セール開催](https://may-money.com/food-matsuya-sale-20260714/) - [松屋フーズが「AliExpress」に新規出店!7月27日オープン、8月14日から年間最大級ビッグセール開催](https://may-money.com/food-matsuyafoods-sale-20260724/) - [松屋フーズがクレディセゾンと連携!「STOREE SAISON」で半額以下のオープン記念セール開催](https://may-money.com/food-matsuya-sale-20260703/) - [松屋・松のや・すし松×こびとづかんコラボ第2弾!オリジナルこびとポーチが全国でもらえる](https://may-money.com/food-matsuya-campaign-20260507/) - [楽天カード あとリボキャンペーン攻略|手数料ゼロで2000〜4000ポイント獲得](https://may-money.com/rakuten-card-ribo-campaign/) - [楽天カード紹介で11,000ポイント|入会+1回利用](https://may-money.com/rakuten-card-11000-campaign/) - [真夏のわくわく企画「無料サービス券配布キャンペーン」8月11日10時スタート!3枚集めるとミニカルビが無料](https://may-money.com/food-matsuya-campaign-20260810/) - [秋田県「得旅キャンペーン」開始!宿泊最大12,000円割引、5月15日から7月31日まで](https://may-money.com/hotel-akita-tokutabi-campaign-20260519/) - [香港エクスプレス航空、日本発着11路線で「エクスプレスセール」開催!片道4,400円から](https://may-money.com/flight-uo-expresssale-20260512/) - [香港エクスプレス航空、日本発着9路線で「エクスプレスセール」開催 片道5,800円から](https://may-money.com/flight-hkexpress-expresssale-20260626/) - [香港エクスプレス航空、羽田・成田〜香港線で「エクスプレスセール」開催 片道5,800円から](https://may-money.com/flight-hkexpress-sale-20260609/) - [香港エクスプレス航空「エクスプレスセール」開催!日本発着10路線が片道6,300円から【7月26日まで】](https://may-money.com/flight-hkexpress-sale-20260724/) - [香港エクスプレス航空が「フラッシュセール」開催 東京・関空〜香港3路線が片道3,000円から](https://may-money.com/flight-hkexpress-flashsale-20260821/) --- ## 🇬🇧 English — Complete Guides - [(formerly B/43) Complete Guide – Latest| AI Budgeting App + Visa Prepaid Card in Japan](https://may-money.com/en/onebank-guide-en/) - [: 1.0-2.2% Annual Return Prepaid Card Strategy & Tips](https://may-money.com/en/idare-guide-en/) - [Air Wallet 50% Cashback: Get Up to ¥3,500 in Japan](https://may-money.com/en/airwallet-cashback-guide-251220-en/) - [Aki no Norihodai Pass: 3 Days of JR Local Trains for ¥7,850](https://may-money.com/en/akinori-norihodai-pass-guide-en/) - [Already Using? Still OK! PayPay Referral Code for 300 Points](https://may-money.com/en/paypay-referral-guide-en/) - [Amazon Prime Day Guide: How to Enter & Maximize Your Points in Japan](https://may-money.com/en/amazon-prime-day-guide-en/) - [Amazon Prime Japan for Foreigners: Benefits, Student Plan & Sign-Up](https://may-money.com/en/amazon-prime-guide-en/) - [Chobirich Referral Code: The New 1pt = ¥1 Rate and Monitors](https://may-money.com/en/chobirich-invitation-code-guide-en/) - [Complete Guide for Japan — International Transfers, Multi-Currency & Debit Card](https://may-money.com/en/wise-guide-en/) - [Complete Guide to Revolut in Japan: Sign Up, Save Money & Travel Smart](https://may-money.com/en/revolut-guide-en/) - [Complete Guide | 3.5% Cashback at Station Buildings + Suica Commuter Pass](https://may-money.com/en/jre-card-guide-en/) - [Complete Guide | J-POINT Revolution, Card Comparison & Money-Saving Tips in Japan | Latest](https://may-money.com/en/jcb-card-guide-en/) - [Complete Guide|7% at Partner Stores・Up to 20% Back・Raku-Pay Trick・MUFG Ecosystem](https://may-money.com/en/mitsubishi-ufj-card-guide-en/) - [Dai-ichi Life NEOBANK Complete Guide | ¥1,500 Bonus, 1.5% Debit Rewards, 14,040P/Year](https://may-money.com/en/dai-ichi-neobank-guide-en/) - [Dokokani Byuuun (どこかにビューーン) | Round-Trip Shinkansen for 4000 Points, Save Up to 89%!](https://may-money.com/en/dokokani-byuuun-guide-en/) - [ETC Mileage Service Guide|Registration, Points & Discounts in Japan](https://may-money.com/en/etc-mileage-guide-en/) - [Earn Points on Amazon Japan Shopping|Givearth(ギバース) Guide](https://may-money.com/en/givearth-guide-en/) - [FamiPay for Foreigners in Japan: How to Register, Charge & Save](https://may-money.com/en/famipay-guide-en/) - [Food Delivery in Japan for Foreigners: English Apps & Best Deals](https://may-money.com/en/delivery-app-guide-en/) - [Furusato Nozei for Foreigners in Japan: Can You Do It?](https://may-money.com/en/furusato-nozei-guide-en/) - [GLADD Guide|Japan’s Largest Flash Sale Site: Sign-Up, Free Shipping Tricks & How to Save](https://may-money.com/en/gladd-guide-en/) - [Gendama Referral Code: Social Sign-Up Blocks It](https://may-money.com/en/gendama-invitation-code-guide-en/) - [Guide|Up to 12,000 Points for New Cardmembers](https://may-money.com/en/amazon-prime-mastercard-guide-en/) - [Hapitas Referral Code: Up to 2,300pt, Payouts and Guarantee](https://may-money.com/en/hapitas-invitation-code-guide-en/) - [JAL Domestic Flash Sale Guide: Sept 8-9, All 104 Routes](https://may-money.com/en/jal-domestic-timesale-guide-en/) - [JRE Bank for Foreigners: 40% Off Shinkansen & How to Open It](https://may-money.com/en/jre-bank-guide-en/) - [JRE POINT for Foreigners: Earn Points with Suica in Japan](https://may-money.com/en/jre-point-guide-en/) - [Japan Highly Skilled Professional Visa: Points & 1-Year PR](https://may-money.com/en/hsv-guide-en/) - [Japan Permanent Residency: What the Draft Revision Says](https://may-money.com/en/eiju-guideline-revision-analysis-en/) - [Japanese IPO Investing for Foreigners: How the Lottery Works](https://may-money.com/en/ipo-guide-en/) - [Japanese Shareholder Perks (Yutai) for Foreigners](https://may-money.com/en/yutai-guide-en/) - [Kawasaki Night Market: 3 Days of Street Food and 8 Days of Bar Hopping in October](https://may-money.com/en/event-kawasaki-yoichi-guide-20261023-en/) - [Keepa Guide: How to Tell if an Amazon Sale Is Really a Deal](https://may-money.com/en/keepa-guide-en/) - [MUFG Bank Guide for Foreigners in Japan | Megabank Series #1 ](https://may-money.com/en/mufg-bank-guide-en/) - [Mizuho Bank Guide for Foreigners in Japan | Account Opening, Rakuten Alliance, ¥1,000 Referral | Japan’s Megabank Series #3](https://may-money.com/en/mizuho-bank-guide-en/) - [Moppy Referral Code: How to Earn and Cash Out in Japan](https://may-money.com/en/moppy-invitation-code-guide-en/) - [NISA for Foreigners in Japan: Can You Use It?](https://may-money.com/en/nisa-guide-en/) - [Oktoberfest 2026 in Tokyo: Shiba Park vs Toyosu, Which One Should You Go To?](https://may-money.com/en/event-oktoberfest-shiba-toyosu-guide-20260911-en/) - [Point Income Referral Code: A Rank That Never Drops](https://may-money.com/en/point-income-invitation-code-guide-en/) - [Point Sites for Foreigners in Japan: How to Earn & Cash Out](https://may-money.com/en/point-site-guide-en/) - [Point Town Referral Code: ¥2,000 Bonus and Rakuten Parity](https://may-money.com/en/pointtown-invitation-code-guide-en/) - [Powl Referral Code: Where to Enter It, and What It Pays](https://may-money.com/en/powl-invitation-code-guide-en/) - [Rakuten Card Sign-Up Guide|Get Up to 11,000 Points via Referral + 31,000 with Rakuten Mobile](https://may-money.com/en/rakuten-card-guide-en/) - [Rakuten Rebates Referral: 600 Points and the Ichiba Trap](https://may-money.com/en/rakuten-rebates-referral-guide-en/) - [Rakuten Shopping Marathon for Foreigners: How to Stack Points](https://may-money.com/en/rakuten-marathon-guide-en/) - [Rocket Now Japan Guide | Free Delivery App with ¥5,000 Coupon](https://may-money.com/en/rocket-now-guide-en/) - [SMBC Card NL for Foreigners in Japan: Can You Get It?](https://may-money.com/en/smbc-card-nl-guide-en/) - [SMBC Olive Guide: Perks, 8% Rewards and the Fine Print](https://may-money.com/en/olive-account-guide-en/) - [Tatiaigai Bunbai (立会外分売) Complete Guide | ~80% Win Rate Low-Risk Investment in Japan](https://may-money.com/en/bunbai-guide-en/) - [TikTok Invite Campaign: Get ¥8,000 (Not the Lite Version)](https://may-money.com/en/tiktok-guide-en/) - [TikTok Lite Referral Guide|Get ¥3,500 Instantly! 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