VEC-133 Mother's best friend Hisayo Nanami

Hisayo, who is a long-time best friend of her mother, came to visit us. I fell in love with Hisayo-san, who was beautiful and had some shadow, so I secretly tried to go to the room where she was staying so that my mother wouldn't find me that night. I just wanted to talk with them alone, but I heard Hisayo-san's lustrous voice in the room ...