Ryuuki is a talented soccer player at Ootsuki High School who goes by the nickname "Magical Bullet Shooter" due to his exceptional accuracy in shooting goals. Driven by his desire to repay his sister Reiko for her selfless upbringing after losing their parents in a tragic accident when he was young, he aspires to become a renowned player on a global scale. Despite his adorable appearance, Ryuuki exudes a serious and mature demeanor, making him the crush object of many classmates. However, he appears uninterested in romantic entanglements. He values and cherishes those closest to him.