Mirume's grandfather
Mirume is a 19 year old college student who falls in love with Yuri, an almost 40 year old art teacher at his university. Yuri isn't your typical college professor, having a quirky sense of humor and unpredictable personality. When Yuri invites Murume to her studio, she playfully seduces the still naive 19 year old student. Things become more complicated when Mirume discovers that Yuri is married to a much older man....
Osamu Takayama
A non-prolific writer, Takayama Osamu and his wife, Yoshiko, though not blessed with children, live happily together. They should have had peaceful twilight years, but instead, Yoshiko suffers from Alzheimer's Disease, and Osamu also falls ill. Yoshiko, who cannot cope with daily life any longer, goes into a care home, and Osamu is admitted to a hospital, resulting in them living their remaining lives separately. One day, after some time, the couple who have kept battling their illnesses, manage to meet each other. Osamu breathes his last breath on the following day. People around Yoshiko find it difficult to inform her, but she seems to sense Osamu's death.