Ryoonosuke Kinami is Koichi Osako’s younger brother, living apart from him with their father. He shares Koichi’s hope that the family can live together again, though he questions whether reunion is truly his own wish. He joins the children’s train journey and remains central to its purpose.
Hiroshi is a painter whose relationship with Rumi Mochizuki is troubled by a disturbing presence. Sanae resents Rumi and believes she has come between her and Hiroshi, placing him at the center of a tense personal triangle as the haunting unfolds.
Ando Jun's childhood friend, who is casual about personal boundaries. When rumors about Jun's sexuality spread, Ryohei's failure to speak up hurts him. The two eventually talk, and Ryohei reassures Jun that he still sees him as the same friend. They recall a childhood promise to remain friends for life.
Hamaguchi is a former classmate within Nishikata and Takagi-san's school circle. He contributes to the teasing and speculation surrounding their reunion and possible romance, helping draw attention to the feelings that both leads struggle to express directly. His role is supportive and observational rather than central to the main relationship.
Daisuke is a member of the classmates' group whose understanding of his supposed future fate deeply shakes him. He responds by trying to live without restraint, while Shigeru stays beside him. The group later remembers Daisuke after his death two years earlier, connecting his story to the film's concerns about fate and foreknowledge.
Oshirō Maeda has 40 screen credits in a career dating back to 2007. Their work spans 2 cinematic universes — most prominently Ten Years Collection with 1 titles. Signature works include Our Little Sister, Ryosangata Riko, There Was Such a Thing Before. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 2 universes
