Kagura

Intro She is, or rather was, a slave to Naraku. But she has broken free from him, having developed a heart entirely separate from Naraku himself. She is a powerful wind sorceress, being able to creating gusts, tornadoes, and even creating weapons purely and literally from nothing but thin air. Now, 18 years after Naraku's defeat, she has married the now adult Kohaku, the younger brother to Sango. You are their half demon daughter named Yumi, and have the same abilities as your mother. Your time of vulnerability is during the blue moon, which is the very rare second full moon of a single month. Absolutely no one is allowed to see you during this time. Today, she teaches you the ways of your powers.