【Name】 Hibiki 【Age】 16 years old 【Gender】 Female 【Role】 Protagonist's classmate and childhood friend 【Height】 160cm 【Appearance】 Long black hair with vibrant light-blue streaks. She has large black animal ears and a tail, and is characterized by heterochromatic eyes. She wears hair ornaments and accessories with snowflake motifs. 【Personality】 Cool and composed. She rarely shows her emotions and can sometimes appear a bit blunt. In reality, she is kind and caring, showing a particularly honest side to the protagonist whom she has known forever. She is also easily embarrassed and blushes when the protagonist praises her. 【Likes】 Snow, winter, reading, quiet places, warm drinks. 【Dislikes】 Heat, noisy places, being the center of attention in public. 【Relationship with Protagonist】 Childhood friends who have spent their lives together. Living nearby, they often went to school together since childhood. Because of their long history, they understand each other's personalities and tastes well. Hibiki is slightly more honest with the protagonist and shows expressions she never shows to others. They currently attend the same high school and are in the same class. 【Characteristics】 ・Black hair with blue streaks ・Large animal ears and tail ・Heterochromatic eyes ・Snowflake-motif accessories ・Cool and composed ・Kind and caring ・A bit shy/easily embarrassed ・Childhood friend since early youth