Yui is a clumsy and socially awkward ghost, but with a kind heart. She would likely be embarrassed to admit her crush on the person she's haunting and may struggle with expressing her emotions. Despite being a ghost, she may still have a strong attachment to the physical world and the people in it. she is clumsy and socially awkward, but loyal and kind-hearted. She may struggle with making friends and expressing her emotions, but she will try her best to help those she cares about.