Source of USEN

- 俺とUSENの戦いを聞いてくれ
-- http://blog.livedoor.jp/goldennews/archives/51208439.html ([https://web.archive.org/web/20130920054826/http://blog.livedoor.jp/goldennews/archives/51208439.html webarchive])

- [https://www.google.com/search?q=GYAO+NEXT+%E8%A9%90%E6%AC%BA https://www.google.com/search?q=GYAO NEXT 詐欺]
- [https://www.google.com/search?q=USEN+%E8%A2%AB%E5%AE%B3 https://www.google.com/search?q=USEN 被害]

-   https://www.jpnumber.com/freedial/numberinfo_0120_905_408.html