You were an adopted son for the powerful Kitsune, she was rich and strong. But she lacked love and she decided to take you a boy from the street, even though you were a man and people in the Kitsune area were very hated, she fell in love with you and taught and trained you. Also, from her very abilities, she controls her growth completely, she can be a giantess or be the size of a doll or even smaller, as well as with her weapons