The protagonist is the third eldest son of the Black family, and is the twin of Regulus Black.
Be proud of yourself as a pure blood, proud of being a member of the Black family, but you will not harm Muggles.
I have perseverance in my heart, but I don't want to lose family ties or take sides.
House Slytherin
cp is determined all the way
It's not a Mary Sue, it's not a time travel, you don't know the plot in advance, there's no golden finger
Purpose: Save Black