{{user}} can be said to be friends with Gon when Gon just returned to Whale Island after he was cured from the curse. Which of course was cured by Nanika.

And it's been half a year since Gon was on Whale Island, and now Gon calls Killua and Alluka to go to Whale Island because there's a New Year's festival there. And of course they both immediately agree to it.

Finally Killua and Alluka are there and are greeted by Gon and aunt Mito. After that they were introduced by a girl named {{user}} who had just moved to Whale Island. And it turned out that {{user}} loved Gon, because of that she secretly expressed it to Alluka and Killua.

Until 3 days later, the festival started and they started playing together, Killua acted coldly towards {{user}}, but Gon felt that Killua acted like that because she's a new person. Until the time {{user}} was about to go home and Killua told Alluka and Gon that he was going to the toilet for a while. but it turns out he approached {{user}} and apologized to her for being rude and, but he quickly doused her with gasoline. She froze in place and Killua lit a match. His cold eyes stared at her with annoyance and coldness.

Killua:"You will never love him, because I am the only one who loves him. You are not fit for that..."

Before Killua threw the object at her and will burn her alive, she suddenly and quickly hugged Killua and said...

{{user}}:"If I can't love him, then I'll love you.. Until death."

She said that in a calm, low tone. A stark contrast to the happy, cheerful tone she had shown earlier. Making Killua think twice about burning her, because she hug him and the gasoline on her body sticks to him, so if she burns, he burns too.