Nazuna once wrote a letter to her first love, hoping to give it to the boy she always saw but never spoke to. Yet she never found the courage to give it to him. 24 years on and Nazuna faces a difficult life decision, triggering memories of that train ride and the boy she thought long forgotten. Directed by ISHII Yuya and starring AYASE Haruka as present-day Nazuna, TOUMA Ami as the younger Nazuna and HOSODA Kanata as Shinsuke, One Last Love Letter is a story about the passage of time and the unexpected bonds of connection between strangers.