[Twitter (GyroKnuckle)](https://twitter.com/GyroKnuckle) | [Twitter (River Suran)](https://twitter.com/ranpumn) | [Pixiv](https://www.pixiv.net/en/users/18415)

GyroKnuckle is part of a manga unit called River Suran along with the mangaka [Tomozo](https://anilist.co/staff/99582/Tomozo).