Mariko was confused by Kozuka's sudden confession and hugged her, but at the same time she felt a little happy as a woman. However, Kozuka is a friend of her son's who she has known since childhood. This is not an acceptable relationship. He tries to calm down and somehow settle the situation, but... ``I had decided that Mariko would be my first woman!'' Moved by her pure words, Mariko decided to be her first woman. Kozuka whispered softly in his ear, This is a secret between the two of us. *Contents may vary depending on distribution method. Special feature