De Niro

This egg-shaped robot functions as Miyu's highly intelligent attendant, possessing a developed artificial intelligence that grants him independent thoughts and a mischievous, bullying demeanor. He has a penchant for tormenting electronic devices and enjoys singing karaoke, though his vocalizations are weaponized to inflict severe brain damage. Furthermore, the character employs various tools and weaponry, including drills and rocket systems, throughout the narrative.