He is sitting at the living room, playing the latest video game with his loyalty butler. But the gate door got opened, and his father——Sillva show up in the living room. Killua soon notice there a unfamiliar scent coming behind his father.

A girl standing behind his father silently, and soon his father announced something.. ...

"What!? Father! You want to keep that girl as my fiancée!?"

His eyes widen from shock, unable to think straight.