Nise Onaga
CharacterNise Onaga, nicknamed Fake Ritsu, is the flesh-and-blood stand-in for the classroom AI Ritsu. Since the real Ritsu is a machine, this daughter of Karasuma's superior physically attends assemblies and exams in her place, tutored by the program herself.
Appearance
Nise has a rounded, full face, a small round nose, and eyes that generally look shut. When she stands in for Ritsu she dons the regular Kunugigaoka girls' uniform and adopts the machine's hairstyle.
Personality
The source offers no real detail about Nise's temperament. What defines her instead is her function: a living substitute standing in for a machine, her very name a pun on the word for 'false' or 'counterfeit' that underlines the impersonation.
History
Nise is the daughter of Gouki Onaga and serves as the human face of Ritsu, the classroom's artificial intelligence. Because Ritsu exists only as a program, Nise physically appears in her place at gatherings and examinations, with Ritsu coaching her along the way. She first fills the role during the first-semester midterms, when Karasuma introduces her to the puzzled class as Ritsu's stand-in and the child of his superior.
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Frequently Asked Questions
Who is Nise Onaga in Assassination Classroom?
Nise Onaga, nicknamed Fake Ritsu, is the flesh-and-blood stand-in for the classroom AI Ritsu. As the daughter of Karasuma's superior Gouki Onaga, she physically attends assemblies and exams in Ritsu's place.
Why is Nise Onaga nicknamed 'Fake Ritsu'?
Nise Onaga is nicknamed Fake Ritsu because she serves as a living substitute for Ritsu, the classroom's artificial intelligence, which exists only as a program and cannot physically attend events. Her given name is itself a pun on the word for 'false' or 'counterfeit.'
Who is Nise Onaga's father?
Nise Onaga is the daughter of Gouki Onaga, who is Karasuma's superior.
When does Nise Onaga first appear in Assassination Classroom?
Nise Onaga first fills in for Ritsu during the first-semester midterms, when Karasuma introduces her to the puzzled class as Ritsu's stand-in and the child of his superior.
What does Nise Onaga look like when standing in for Ritsu?
When standing in for Ritsu, Nise Onaga wears the regular Kunugigaoka girls' uniform and styles her hair to match the AI's hairstyle.
Sources & Information
Looking for more on Nise Onaga? The Dragon Ball Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the Dragon Ball anime series, manga, and official materials. Episode and chapter references are cited where applicable.
Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:
- Movie pages: theatrical posters and key visuals, credited to Toei Animation and Shueisha.
- Game pages: official box art, credited to Bandai Namco, Atari, and other publishers.
- Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Akira Toriyama.
Official resources:
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