In this story, we follow a young and innocent girl named Ena Satsuki, who finds herself caught up in secret afterschool activities with her older male classmates. Despite being shy and glasses-wearing, she obediently submits to their desires, performing oral services like deep throating and fellatio while also allowing them to explore every inch of her body through various sexual acts. As they pleasure her, she experiences new sensations such as receiving a facial for the first time. The men seem particularly fond of her youthful enthusiasm, often praising how good it feels when she bites their nipples or slaps their asses. Eventually, they take things further by having full intercourse at a hotel room where they continue to enjoy each other's company until climax. Throughout these intimate encounters, our protagonist learns about different aspects of love making under the guidance of experienced older gentlemen. This four-part series promises to be both educational and arousing for those who appreciate stories involving cute girls exploring their sexuality within a supportive environment.