Powerful Being of the Wizarding World

This story has us following the life of Tsubaki Natatsuka, an extremely powerful being. She goes to Hogwarts during the Marauders Arc, and becomes friends with Severus Snape. (DISCLAIMER: The wizarding world of Harry Potter belongs to J.K. Rowling!)(DISCLAIMER 2: This is an AU of the original story, so some aspects are similar, but most are different and therefore, not cannon.)