A sexual spring life spent entirely from a first-person perspective with Prestige's exclusive actress, Yui Rukawa!! I, who ended up going to the same school as "Yuu," my older childhood friend who lives nearby. When I saw Yuu's crying face, who was troubled by love, I realized my own love that I had kept in my heart. Summoning my courage and telling Yuu my feelings, our feelings matched, and we developed from childhood friends into lovers! One day, we decided to have a study session in my room, and the distance between the two of us suddenly narrowed. We exchanged our first kiss, and when I touched Yuu's breasts, she made a sweet voice. When I ran my finger over her wet pussy through her panties, she averted her gaze as if embarrassed, while wriggling her hips as if it felt good. Eventually, I couldn't contain my excitement at Yuu's lewd figure that I couldn't usually see, and I finally had my long-awaited first experience... Please enjoy the 4 situations of spending time with a uniform beauty, erotic and bittersweet sexual spring.