N-Villio

Serving as Ai's loyal robotic companion, this mechanical partner is affectionately nicknamed "Ebio" due to its shrimp-like appearance. Though primarily defined by its unique design, the robot plays a vital role in Ai's journey, forming an inseparable bond with its creator. This endearing relationship between the machine and its pilot provides a sense of warmth amidst the story's unfolding events, making the shrimp-shaped bot a beloved fixture in the series.