Nozomu Ozora is the youngest child of the Ozora family and the younger brother of Hiroshi Ozora, the inventor of the Mol Unit, and Mirai Ozora, the series' main heroine. He is an elementary school student with brown hair and grey eyes, and he is also a skilled hacker. Nozomu initially appears as a mischievous and somewhat resentful child. He becomes jealous and irritated by the attention his older siblings receive, particularly Hiroshi's ego-driven superhero antics and Mirai's reluctant heroism. Motivated by a desire to oppose them out of spite, he secretly develops his own Mol Unit, modeled after his brother's invention, and adopts a supervillain persona to cause trouble for both his siblings. His actions are driven by sibling rivalry and a craving for recognition rather than genuine malice. Throughout the series, Nozomu serves as a recurring antagonist and a source of comic conflict, often forcing Mirai and Hiroshi to deal with his schemes while also confronting more serious threats like Dr. Machinegal. His role is that of a supporting character who directly complicates the family dynamic. He does not undergo a major transformation into a hero but remains a trickster figure whose motivations are rooted in his place as the overlooked youngest sibling. In terms of notable abilities, Nozomu is technologically adept, capable of assembling and operating his own Mol Unit, which grants him superhuman strength, speed, flight, and invulnerability for a limited duration, mirroring the capabilities of his brother and sister. His hacking skills also allow him to manipulate electronic systems, making him a resourceful and unpredictable opponent despite his age.