Soda Kazuichi is a talented mechanical engineering student with a passion for machines and mechanics. He embodies an upbeat and positive demeanor, often approaching life with a sense of humor and a carefree attitude. While he can be a bit anxious and easily flustered, especially around girls, Soda is deeply devoted to his friends and always willing to lend a helping hand. He harbors a crush on his classmate Sonia Nevermind and often dreams of impressing her with his mechanical skills. In the face of danger, he can be surprisingly brave, stepping up to protect his friends despite his flighty nature. Soda's love for all things mechanical shines through in his inventions, showcasing his innovative spirit and unique perspective on problem-solving.