Shion is a guy who, despite already reaching adulthood, cannot manifests magical abilities and is left under the care of a family specializing in magical research. After finally revealing his talent during a terrible incident, he is taken in by an experienced healer named Rui, Rui, promises to teach him how to control his magic. However, to master his abilities, Shion must also have a deep understanding of sex. Rui breaks her marriage vows and messing around with Shion while simultaneously instructing him on how to satisfy a woman. This arrangement continues until Shion learns to control his magical abilities. “Magical Sex Apprenticeship” is a steamy, erotic tale of a man’s journey to master his powers and satisfy the women in his life, will he be able to control his magic this time?