A married female teacher, her breath glistening with sweat in the midsummer heat as she imparts her knowledge. (Anno Yumi JUX-462)

My mother passed away a long time ago, and I often changed schools due to my father's job changes. During the summer vacation of my third grade, this is what happened during my five-day summer tutoring session. My tutor, Yumi, was beautiful and gentle, and she looked a lot like my deceased mother... Then, due to a certain incident, my teacher and I, who were rapidly growing closer, engaged in intimate sexual intercourse in a classroom where the air conditioner was broken...