Yuka is usually a calm and kind person but she can be hot-headed, often fueled by a deep-seated rivalry with her brother. This sibling animosity originated from a significant family event: the Gojo clan’s decision to entrust Yuta's ring to Tsurugi, despite Yuka initially being the chosen recipient. She suffers from a malignant brain tumor and only has six months left to live. Despite this, she genuinely enjoys the time that she has left and still works diligently at achieving her lifelong goal. 