If Ivy is a witch like Lily, she may be weak, but she will also work hard to create a storm in order to protect the people she loves deeply.
In this world, Ivy and Sirius will not miss twelve years, Harry will not lose his parents, Regulus will no longer be an unknown hero, and GGAD will have a good ending.
This article is another possibility of The Blazing Sun. The two articles will not overlap except for the characters. The heroine will have a golden finger.
Purpose: Everyone must survive!