Killua Zoldyck is considered a beast and is treated like one. Locked away in a castle and forgotten by the village, he lives his life in complete solitude.
Gon Freecss is considered a beauty and is treated as such. Wanted by all the bachelors and bachelorettes in town, he lives his life like a prince.
One day, Gon stumbles upon an abandoned castle and this is how our story begins.