During this year's summer vacation, which was hotter than usual, I came to visit Aunt Ryo's house with my mother. - Of course, the wooden house surrounded by fields had no air conditioning, so I was sweating all over my body. - One afternoon...while my mother was out visiting a grave, I had Aunt Ryo teach me some studies. - Alone under the same roof, my heart can't stop pounding. - Whether she knew my ulterior motives or not, Aunt Ryo approached me with a bewitching smile on her face...