One of Kenshi's die-hard fans along with Yeliss, Wreda, and Bwoole, who are rarely seen apart from each other. Gryino and her friends organize the students to catch Kenshi for themselves after they discover that Kenshi has been accepted into the student council. After Kenshi is discovered to be a seikishi, gryino asks Kenshi to marry her.

Gryino helps lead the student seikishi forces against Ran's wanderers in order to take back the Holy Land