Ishimori Uka has been a subject of bullying in school. Students call her 'stone' because Ishimori has a tendecy to be quiet and shy. This all starts to change when Miura-kun helps improve her self confidence, calling her a gemstone and telling her to be unapoligetic. Uka learns to speak up and even make friends.

No voice actors have been added to this character. Help improve our database by searching for a voice actor, and adding this character to their roles here.