
井芹涼音
Сузуне Ісері
As the protective older sibling of Nina, this character periodically appears to look after her younger sister's well-being. Though her appearances are infrequent, her role is defined by a sense of familial responsibility and a watchful eye over Nina’s journey. She serves as a grounding presence, occasionally checking in to ensure everything is going well, adding a layer of domestic connection to the unfolding story.