The website of [i]hiyohiyo[/i], the creator of CrystalDiskInfo and CrystalDiskMark software.

h4. Characters

* [[Suishou Aoi]]

h4. External links

* "Website":https://crystalmark.info
* "hiyohiyo's Twitter (English)":https://twitter.com/openlibsys_en
* "hiyohiyo's Twitter (Japanese)":https://twitter.com/openlibsys
crystal dew world