Rika is 60 years old. Her husband suffers from a severe illness due to a traffic accident, and she currently supports the household through part-time work. Exhausted by the challenges of an unfamiliar workplace, she finds herself drawn to a kind and supportive coworker. Their bond gradually deepens, eventually crossing the line into a physical relationship. Though she knows it's wrong, her uncontrollable desires consume her, driving her into a spiral of passion. The pleasure she hasn't felt in years floods her soft skin with arousal, leading her to profound satisfaction...