Ryōsuke Minase is a second-year student at Okazan Gakuen and a dedicated member of the school's Futsal Club. Renowned as an honor student, he consistently displays intelligence and efficiency in all endeavors, always maintaining a smiling demeanor. His passion for futsal began during his childhood years spent living in Spain, where he first met Garcia Emilio.

Standing 179 cm tall and weighing 64 kg, Ryōsuke possesses light grey hair and grey eyes. His blood type is AB, and he was born on April 10th, making him an Aries. His family consists of his parents, grandfather, and a younger brother, Asa Minase. Asa attends Amanogawa Gakuen and plays for their futsal club. Ryōsuke openly expresses deep affection for Asa, a well-known trait among his teammates, often baking cakes and sweets for him. However, Asa feels inadequate in comparison to Ryōsuke, leading to a complex dynamic where Asa expresses dislike towards his brother.

Ryōsuke enjoys horse riding, though he avoids long distances due to a notably poor sense of direction. His special skill is photography, and he favors visiting planetariums. His preferred foods are cake and cream pasta, while he strongly dislikes mugwort. He has an aversion to aggressive individuals.

His given name, Ryōsuke, combines the kanji for "cool, refreshing" (涼) and "help, assist" (佑). His surname, Minase, means "waterless" (水無) and "swift current, rapids" (瀬).