Ever since her son left home to get a job, Fumika, a widowed mother, has been waiting for her son to come home alone. But after a year of this lonely life, she finally has a long vacation and her son is coming home. However, for the two of them who have always lived happily together in a single-parent household, this year of separation has been too long... When they meet again after a long time, their passion overflows all at once. The son desperately seeks his mother's warmth, and the mother climaxes over and over again on her beloved son's cock!