Minoru is a 12-year-old genius who specializes in persocoms. He is a highly regarded expert in the field of persocom development and has built his own advanced custom persocom named Yuzuki. He displays advanced technical knowledge, including hacking skills. He also shows interest in video games. Minoru is notably calm, collected, and low-keyed. Though usually very reserved, when Yuzuki is around he is very protective of her. He is quick to action when she is in danger, and is very forgiving of her mistakes.