Maestro Coniglio is a character from the world of Argena, who belongs to a group known as the Saints. The Saints are powerful beings who have achieved complete mastery over a specific element or skill, which they use to protect their world from the Corrupted, their evil counterparts. Maestro Coniglio, as his name suggests, takes the form of a white rabbit, though he is fully sentient and capable of complex thought. He communicates not through speech but via telepathy, allowing him to converse directly with other characters.

His most notable characteristic is his role as a mentor to the protagonist, Yuya Tenjo. Maestro Coniglio recognizes the immense potential within Yuya and takes it upon himself to train the young man as his successor. His signature technique, which he seeks to pass on, is a powerful kicking ability often referred to as the divine kick. This demonstrates that his personality is perceptive and dedicated, as he is willing to invest his time in nurturing a successor. His motivations are rooted in the protection of his world and the preservation of his martial legacy.

The relationship between Maestro Coniglio and Yuya is one of mutual benefit and respect. While Coniglio trains Yuya in his powerful kicking techniques, Yuya, who hails from another world, teaches Coniglio magic in return. This exchange highlights a key aspect of his character development: he is not static in his power but is open to learning new abilities from his own student, showing adaptability and a lack of arrogance despite his status as a master. His notable abilities include his supreme mastery of kicking, his sentience and telepathy in a non-humanoid form, and the magic he learns from Yuya.