OBA-287 Kiyoko Yumoto's kissing sex with her nephew gets fired up from the happening KISS

My sister's son, Masato-kun, will be staying at our house for about two weeks to take summer classes at a major preparatory school in Tokyo. - Watching Masato-kun, who was a spoiled brat when he was young, grow into a fine man, I felt attracted to him not just as a nephew, but as a man. - One day, due to an unexpected incident, Masato-kun's lips and mine touched. - ``This was an accident, it wasn't a kiss...'' I told myself, but I couldn't forget the feeling of his lips for the first time in a while...