Yumi married her divorced husband and lived happily ever after. - The acts and the number of times were fulfilling. - However, Yumi felt unsatisfied with the size of her husband's things. - One day, my husband and his ex-wife's child decided to come here for a while for work, and the three of us ended up living together. - Yumi was happy that he, who she loved like a son, was coming. - A chime rang to welcome him. - The couple was a little happy to see that he had become a little more mature. - At night, Yumi wakes up to a suspicious noise. - I headed towards the direction of the sound and found it was the room where he was sleeping. - If you sneak a peek, you'll see that he's in the middle of an old man. - Just when she was thinking of turning back, Yumi was shocked. - His son, bulging as if about to ejaculate, was bigger and stronger than he had ever seen him before. - Yumi couldn't take her eyes off his actions for a while, but then she came back to her senses and quickly returned to her room. - And in the morning. - Yumi, who sent him and her husband to work, was busy with housework. - However, Yumi's act that she happened to see happened and she couldn't get it out of her head, and her body slowly started to heat up, and her fingertips naturally began to stimulate Yumi's important parts...