GKN koko
@gknkoko
25.8K subscribers2.0K videos9.1M views
学研プラス発行の書籍と連動した動画をアップしています。 主に高校生対象学習参考書、また一般向けの語学書などです。
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/api/banner/UCd7IaeJx3BjvQ5MQbJMowvw?format=webpChannel Info
- Joined
- Apr 2, 2011
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