Kagetora Aida

As a former member of the Japanese national basketball team, this skilled sports trainer brings elite-level expertise to the court. He shares an incredibly deep bond with his daughter, Riko, and possesses a fiercely protective nature. His devotion to her safety is intense, as he openly threatens anyone who dares to cause her harm or trouble. This combination of professional basketball mastery and uncompromising paternal instinct defines his role within the story.