What if Sirius Black runs away but forgets about his brother, Regulus? What if him running away makes Regulus distance himself from him? What if in James Potter's 5th year he sees his best friend's little brother in a different light? Well, I'm not gonna tell you, find out for yourself in 'My Favorite Slytherin' "What do you want, Potter?" "I just wanted to see if you're okay. Y'know, after Sirius left.." Began writing: april 9th 2021 Finish writing: NOT COMPLETED [I do not own anything from Harry Potter, I only own the plot of my story. Everything from Harry Potter is disrespectfully for J. K. rowling] we don't stan her here. Wolfstar and Dorlene included TW: anxiety/panic attacks. Smut. Physical and verbal abuse. Cussing. Homophobia.