Ever since his first year in high school, Haruka Shinozaki has admired Akiho Kousaka, the class representative known for her beauty, athleticism, and academic excellence. This year, being in the same class emboldens Shinozaki to confess his feelings to Kousaka, who surprisingly accepts his proposal to become his girlfriend. However, Shinozaki soon discovers that Kousaka, despite her perfection, has never been in a relationship before. Determined to satisfy Shinozaki, she delves into unconventional territories like mastering various intimate positions and exploring his fetishes. Despite Shinozaki's attempts to dissuade her, Kousaka remains resolute in her mission to please him, going above and beyond to ensure his happiness in every aspect of their relationship.