Dreaming of reading English news every morning or training your English with daily news? Eiko-sensei is here in your side panel!
Users
9
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#205K
#171K among extensions
Version
2.609.1912
updated 19 Aug 2026
Users
monthly, 5 months
Latest, 16 Oct 2026:9 usersMove the mouse over the chart for any month
Ratings count
monthly, 5 months
Latest, 16 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Sensei on my Side
🏆 "Dreaming of reading global news in English effortlessly every morning?"
📈 "Want to train your English skills using daily real-world news articles?"
Eiko-sensei is here to make that dream a reality! 🎓✨
Open your browser side panel, and your personal AI language coach Eiko (英子) is always sitting right on your side ("Yokoie" / 横居)!
Since she is powered by Chrome's built-in local AI engine, Gemini Nano, all processing runs entirely on your own device. 100% offline, private, secure, and completely free AND OPEN SOURCE! 🔒💻
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🚀 Key Features
1️⃣ One-Click Turn Webpages into Lessons! 📰
Simply click "Coach Me" on any English article. Eiko-sensei instantly generates a step-by-step curriculum: Article Summary ➡️ Vocabulary Breakdown ➡️ Key Idiomatic Phrases ➡️ Reading Comprehension Quiz!
2️⃣ RPG-Style Avatar Leveling System 🎒➡️🧙♂️
Set your target TOEIC score (500 to 900+). Eiko-sensei's pixel-art avatar dynamically evolves from a rookie "Chibi Student 🎒" into a "Business Consultant 💼" and ultimately a "Pristine Wizard 🧙♂️✨"!
3️⃣ Smart Active Recall Study Deck 🗂️
All vocabulary items generated during lessons are automatically saved into a study card deck. Every card keeps track of its origin URL so you can jump back to the source article with one click.
4️⃣ Contextual Highlighting Dictionary 🔍
Highlight 1-3 words on any page and right-click to instantly look up definition keys, relevant business synonyms, and 2 target TOEIC-style example sentences.
5️⃣ Interactive Contextual Q&A 💬
Confused by a phrase or sentence? Directly ask Eiko-sensei in the sidebar chat. Watch her dynamic emoji states shift (thinking/sweating 💭💦 to happy sparkles ✨🎉) as she replies natively in Japanese or your preference!
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⚙️ Prerequisites (How to download Gemini Nano locally)
Because this extension runs 100% offline, you need to enable and download Gemini Nano in Chrome:
1. Enable Chrome Flags at chrome://flags:
- #optimization-guide-on-device-model ➡️ Set to Enabled BypassPrefRequirement
- #prompt-api-for-gemini-nano ➡️ Set to Enabled
- Relaunch Chrome.
2. Force the component download via DevTools console (F12 on any page):
- Run: await ai.languageModel.create();
3. Check status at chrome://components:
- Find Optimization Guide On Device Model and click "Check for update". Once it says "Component updated", you're good to go!