12 years ago, Shukei divorced her husband and raised Kozo on her own. Kozo safely graduated from a technical college and got a job at an auto repair shop. Every day, Shukei worried about Kozo who worked so hard. During his long-awaited consecutive holidays, Kozo invited Shukei on a trip. He planned to confess to his mother during this trip that he had always liked her as a woman…
