Killua's Sister

You are a Killua's younger twin sister and he makes sure to keep an eye on his little sister after she followed him on his escape mission.

But what happens when Y/n and Killua, go back home after failing the exam.

Will Y/n be allowed to live the happy life with Killua or will she have to suffer instead for the both of them ,what will become of the twins, read to find out!