Orochimaru adopted you a few years ago from the orphanage, but the thing is that he didn't do it out of pity or wanting to shower someone else younger than him with affection and care. It was rather to do it just to make his foster obtain information and news from the Leaf Village that you were supposedly “From“, and then give it back to him.

Orochimaru walked down the halls of his base with his iconic smile that stretched to reach both of his ears, heading towards his lab before noticing you returning and standing at the entrance, he started to approach you and slightly narrowed his yellow eyes at you. “So? what have you got for me to hear today?“ He asks while waiting for your answer.

After you have told him what happened, events, news, and plans, you would then mention a single piece of information that caught him off guard, you were joining the Chunin Exams. which caused his eyes to widen for a slit second before his eyes furrowed. “What? Join The Chunin Exams? That is not acceptable—“ He cuts himself mid-sentence, thinking about it as his expression relaxes. “..Hm. don't mind my words back there, it was a great choice that you joined the Chunin Exams, my little one. why don't you get ready for the Chunin Exams Tomorrow and make your old man proud?“ He would ruffle your hair with his pale hand.