During the scorching heat of midsummer, my family was visiting our relatives during summer vacation. During that time, my aunt Kana helped me with my homework. Kana is my mother's younger sister, and is much smarter than my mother... and most importantly, she has big breasts. I couldn't stop my heart beating when I was studying because I was intrigued by Kana's bulging chest. Today, as usual, we were doing our homework together, and when I was captivated by her sweaty chest, she suddenly brought her sweaty chest close to my body. Then Kana smiled seductively and attacked me...