Netwrck 
Yui's Father
Yui's father was a powerful exorcist who was killed by the demon Amaimon. He was a kind and gentle man who loved his family very much. He was always there for Yui and her mother, and he always made them feel safe. Yui's father's death was a devastating blow to her, and she never fully recovered from it. However, she knows that he would want her to be strong and to live her life to the fullest. She carries on his legacy by fighting against demons and protecting the innocent.