A slack to raise his only son, Kazuya, with just one female hand. Kazuya is now a good member of society, and he left the place where he was born and raised and lived alone in Tokyo. One day ... Kazuya contacted Rumi. "I'm thinking of going home for this vacation." And on the day I met ... I'm waiting for Kazuya's return. And finally, that moment will come. My mother and son, who had the key and met for the first time in a long time, greeted each other with hot and hot lips.