Ichika, a young and beautiful stepmother who remarried her father. One night, her stepson, Makoto, witnesses their intimate moments. Overwhelmed by the intense sight, he confesses to his stepmother that he can't focus on anything. Feeling sorry for Makoto, who lost his mother at a young age, Ichika decides to serve him sexually. As Makoto's demands escalate, she finds herself unable to resist. Eventually, she allows him to cum inside her bare pussy.