I - an ordinary first-year junior high school student, just because I accidentally learned about the full-time hunter, and accidentally fell in love with it, and then I was unlucky enough to be hit in the head by a meteor that fell from the sky - and then irresponsibly let me wear it, Chrollo's younger sister! Ah? ! Then I am unfamiliar with this place, how should I live? ! But... Hehe, I can see the real Chrollo, Ilmi and Killua, and I can jump off the building! ! But there is one condition - you can only stay for five years. What? ! How can it be! ! !