The film tells the story of Aiko, a 35-year-old mute woman who works in a bowling alley, and her brief romance with Yoshioka, a younger man who works as a postal carrier. The two meet when Aiko accidentally knocks Yoshioka off his bicycle, and they have a sexual encounter soon after. Aiko begins preparing lunchboxes and giving them to Yoshioka at his workplace as a way of expressing affection, which she cannot do verbally.

• Kokuei Company
• Yumika Hayashi
• Mutsuo Yoshioka
• Lemon Hanazawa
• Kiyomi Itō
• Yohta Kawase
• Yūji Tajiri
• Takeshi Itō
• Kazunori Sakurai