A lonely married woman named Yukie has been living apart from her husband due to his frequent business trips. She works as a teacher and struggles to cope with their long-distance relationship. At school, she faces challenges dealing with a problematic student named Ryoma, whose father Tatsuo also experiences difficulties raising him alone. As they bond over shared family issues, Yukie and Tatsuo grow closer, eventually sharing intimate moments that lead to passionate lovemaking sessions...