The heroine of Lion House, Elysian Ross, cp Severus Snape
The heroine entered school with Harry
Follow the original line
Regarding the age difference, the normal age of a wizard is 300 years old, which is equivalent to 100 years old. Now it is equivalent to a difference of 7 years.
As for the heroine, she is not like relying on the professor. She can deal with Horcruxes, reverse the ending of death, and help Harry. She is as important as Harry and will have highlights.
Regarding Snape not being OOC, he is not saved by the heroine alone
Purpose: Give every character who should not die a good ending