夏休み・叔母の椎奈さんちに母と帰省していた僕。久しぶりに逢ったけれど、昔から綺麗な彼女の汗で艶めく無防備な胸元が気になって宿題も全然集中できなかった。いつも僕を子ども扱いする椎奈さんは、2人きりになって急に身体を寄せてきたかと思うと、怪しい笑顔を浮かべながら迫ってきて…。汗だくになるのもお構いなしに僕の上で一心不乱に腰を振り乱し、悶える椎奈さん。ぼくの夏休みは、まだ始まったばかりだ…。

During summer vacation, I was visiting my aunt Shiina's house with my mother. It had been a while since I'd seen her, but I couldn't concentrate on my homework at all because I was distracted by her beautiful, sweaty, and vulnerable chest. Shiina, who always treated me like a *****, suddenly leaned in close when we were alone, and then came on to me with a mischievous smile… She shook her hips wildly on top of me, not caring that she was drenched in sweat, and writhed in pleasure. My summer vacation had only just begun…