The love song of farewell later

Overview:

A suspense drama based on Osamu Takahashi's original work starring Shinobu Otake. The shooting location of Gunkanjima is a famous tourist attraction. When Mansako returns to her husband's parents' house, she noticed a young man named Shinji playing drums at a village festival. Shinji who felt her gaze also looked back at Mansako. Masako invites Shinji to her house to welcome her husband together, and is witnessed by a housewife who came to inform her husband of the accidental death while helping him change clothes. She is stigmatized for infidelity. They are separated, but they vow to meet again 12 years later.