K.
The mysterious eighth cursed baby lives in the forest. It was accidentally discovered by the imaginary Mr. G. In order to "protect" K, he put it in a small square box, which was then called a box. K was handed over to the custody of Balian, Vongola's strongest assassination force.
Okay, even if that's the case, why is K's owner a narcissistic boy with blond hair and no eyes? !