Otama is a gray kitten character who wears a yellow T-shirt and blue pants, visually consistent with the series' animal cast. He studies space food at the Animal Space Academy, focusing on this specific academic discipline. Otama's driving ambition is to become the first chef operating in space, linking his culinary passion directly to space exploration.

He presents a cheerful personality and projects strong confidence in his own capabilities. Otama possesses a notable can-do spirit, tackling tasks with enthusiasm and determination. Although sometimes prone to careless actions, a serious nature underpins his character, especially concerning his goals and academy responsibilities. As a student, Otama engages with peers like Kotetsu within the academy's group dynamic of aspiring space professionals.