Souta, a ronin student, has been urged by his parents to hire a highly reputed private tutor—rumored to be exceptionally skilled—since this year is his last chance to pass the entrance exams, both financially and age-wise. However, Souta struggles to focus on his studies, easily distracted by the tutor's appearance, making his progress even slower. The tutor, living up to her reputation, steadily improves his academic performance while also resolving Souta's personal issues. Will he successfully lose his virginity and finally achieve his dream of getting into university under her guidance?