A woman writes a letter to a young man, leading to a correspondence with his father that unveils the truth of a 24-year-old high school romance, his son's death, and the power of love letters.
Haruka Ayase
Nazuna Terada
Ami Touma
Nazuna Ono
Kanata Hosoda
Masaki Suda
Satoshi Tsumabuki
Koichi Sato
Takuma Otoo
Miu Tomita
