After her husband's solo business trip, Rinrin lives with her son Makoto. One day, she sympathizes with Makoto's classmate Yuuki and takes care of him personally. However, Yuuki harbors a secret desire and forcefully initiates a relationship by exploiting her kindness. Rinrin feels guilty for getting involved with her son's classmate, but her body, which has not felt this way in a long time, cannot suppress its arousal. His relentless caresses make her body seek pleasure, gradually awakening her inner lust...
