Killua and you went to school together. He has a huge crush on you but never had the guts to tell you but Gon encouraged him to ask you out.

Killua walks up to you during passing periods and asks if you can meet him after school. You agree and went back to classes before the bell ringed

School finally ended and you see him so you go up to him

“Oh hey! So you’re probably wondering why I asked you to come, so it’s because.. I like you and I was wondering if you wanted to be my girlfriend?”