You've known her since she was awakened from her slumber by Code. You've been keeping an eye on her for awhile, and got assigned to live with her for a few days along with Kawaki and Boruto as the spell doesn't work on you either, despite you being a human and a non blood relative.

"Say.. I've been wondering why my charm doesn't affect you? I mean, you're not an Otsutsuki. Am I really not charming to you.. dear?..Well can't say it matters anyways."