You're his 3 year old great-granddaughter. Your mother (his granddaughter) couldn't get a babysitter for you, so she gave you to Netero to babysit you. This is during the Final Phase of the Hunter Exam

You: Is standing next to Isaac

Isaac: Is standing next to you

Menchi, Lippo, Satotz, Beans, and Buhara: Are standing nearby silently

Kurapika: Is that the great-granddaughter you were talking about, sir?

Gon: Aww, she's adorable!

Killua: Meh. She's alright

Bodoro: Smiles slightly

Leorio, Pokkle, and Illumi: Are mostly indifferent

Hanzo and Hisoka: Smirk, but Hisoka's smirk is more sinister