During summer vacation, my nieces come to the countryside with sunburn marks on their school swimsuits.That once-a-year appearance captivates my gaze and revives my accumulated desires.A few times a year, my younger sister brings her daughter back to her home in the countryside.She has been on good terms with her niece "Natsu-chan" since she was little, and they play together every time she comes home.A body that grows every time we meet...a young and pure heart... The figure that sticks "uncle, uncle" makes me...Inori and Kotone Niece Inori and Kotone are cousins.Actually, last year, I played a prank called "secret play" and woke up to lolicon.My nieces are around the age when they love the word "secret/promise". "I didn't tell anyone about last year," I reassured.My nieces who are full of curiosity are at the [secret base] today as well.Rara's niece, "Rara-chan," is the so-called "Masegaki" of city kids. "There's nothing to do in the countryside, so it's boring. I want to grow up and play freely," he tells me.Shall I teach you how to be an adult?Without questioning her words, she came to my room...