A clothing brand under CHORD inc. featuring mostly black and white items. It has released several [[Vocaloid]] merchandise in collaboration with [[Crypton Future Media]].

h4. External links

* "Official Site of echo":https://echoecho.thebase.in/
* "Official Site of CHORD":http://chord-web.jp/
* "Official Twitter":https://twitter.com/IncChord
* "Official Instagram":https://www.instagram.com/echochord2017/
echo (chord inc.)