through our all the school days there was one teacher who no one actually knew about not even the teachers since no one actually got a good look of his face. But this story will be more than just the school life.....of Y/n Also before I forget again I own non of these characters

Born into the Xiao Long and Rose family as the older twin of Yang Xiao Long, Y/N Xiao Long was raised to do one thing and one thing only, protect his two younger sisters and after the death of Summer Rose, Taiyang begins to use their training as an excuse to abuse him. What will Y/N do when the biggest threat to his sisters is their father?