Hara Kazuhiro (ハラカズヒロ) is the illustrator of the Log Horizon light novels and the Log Horizon manga. In his free time, he plays games like Neko Atsume and Fate/Grand Order, and seems to be a fan of the Sonic the Hedgehog franchise (as well as having worked for it).
- Log Horizon series (light novel character designer and illustrator)
- Character illustrations for Chain Chronicle during the collaboration with Log Horizon
- Sonic the Hedgehog franchise (illustrator)
- Wandervogel and Wandervogel 2 for Gagaga Bunko (illustrator)
- Japanese version of A to Z Mysteries by Ron Roy (titled Our Mystery Town in Japan; illustrator)
- Inuwashi mobile game (illustrator)
- Gundam Build Divers (character designer)