Ryoko Matsumura is a popular writer in her 50's. She also knows that she has Alzheimer’s. Ryoko Matsumura begins to teach at a university. She meets a young Korean man in his 20's. They become attracted to each other.

Miho Nakayama
as Ryoko Matsumura

Kim Jae-uck
as Chan-hae

Anna Ishibashi
as Anna

Shun Sugata
as Ryuji Ayamine

Masanobu Katsumura
as Ishii

Masatoshi Nagase
as Omura

Hidekazu Mashima
as Kousuke

Asami Shibuya
as Saori