A 16-year-old high school student living in Kyoto in 2027 and the film's protagonist. Kitamura's experience as a library committee member in his elementary days made him understand his character in the film as a "soft and warm boy" who spends time feeling comfortable with books.
Tоri Matsuzaka as adult Naomi Katagaki / Sensei:
Naomi Katagaki's future-self from 10 years later in 2037 and a chief officer in Alltale Management Facility. Matsuzaka was a "little worried" about what kind of animal he would be voicing in this film after dubbing the main character in Paddington (2014) but was relieved to find out it would be a human being instead.
en.m.wikipedia.org/wiki/Hello_World_(film)
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