Ayako was contacted by her sister for the first time in a while and asked to take care of her only son, Kazuya, while her sister and her husband were traveling. Ayako and Kazuya, who reunited after several years, blossom with memories to make up for the time they couldn't see each other. Kazuya, stimulated by Ayako, who is still beautiful after many years, explodes with emotion and forcefully approaches Ayako.