I had always wanted Yukine Sakuragi, who lived nearby, to become my private tutor. Ever since I was little, my mother granted me every wish, so I asked her to arrange for a tutor. Although I wasn't actually struggling with my studies, Ruka had a hidden motive. Then, Yukine, having accepted my mother's request, arrived at our home to begin tutoring. As tension and excitement built up inside her, Ruka attempted a special approach toward Yukine. What happens next...?