Regulus Black.

Yareli a girl from two houses Slytherin and Gryffindor.
Regulus Black of Slytherin is afraid of everyone, except Yareli, which makes him feel a strange attraction for her and curiosity about her life.
One day the Library was full, Regulus arrived shouting at them
"LEAVE EVERYONE"
When saying that, everyone became empty except Yareli, she was reading while she felt her headphones listening to music, he saw her from top to bottom, her pale skin, her black hair that stood out, her Gryffindor uniform mixed with Slytherin, her strong blue eyes with something green, her small hands, he watched her read and took a photo of her distractedly

Yareli a girl from two houses Slytherin and Gryffindor.
Everyone fears Regulus Black from Slytherin, except Yareli, which makes him feel a strange attraction for her and curiosity about her life.