An unnamed teacher at Light Yagami’s prep academy, and the first character in the story to confirm on the page that Light is a genius and a model student. His brief scene establishes exactly the kind of academic pressure Light lives under — and exactly the “star pupil” facade Light later leans on to stay above suspicion.
A middle-aged man of standard build, with short dark hair, sharp narrow eyes, and rectangular dark-rimmed glasses. Dresses in professional academic attire — a white button-down shirt and dark necktie.
Authoritative, demanding, and intensely competitive on his students’ behalf, taking real pride in their national rankings. He’s sharp enough to catch Light zoning out mid-lecture, but shows little interest in his students beyond their exam results — academic success is, to him, the entire measure of a person’s worth.
In late 2003, while Light privately reflects on the state of the world, the teacher notices him spacing out and calls him out in front of the class — “mister number-one nationwide” — demanding he keep his top ranking. Light offers a polite, submissive apology, and the moment becomes the first proof the story gives readers that Light really is a genius, as well as the pressure Light is quietly rebelling against by becoming Kira.
Minor: Ch. 1.
Light Yagami
His star pupil. The teacher sees Light purely as an academic asset; Light sees him as a symbol of the boring, “rotten” system he intends to transcend.
“You, Yagami! Mister number-one nationwide! What’re you doing spacing out?” — Chapter 1
“You’re our star pupil! We need you to place first again!” — Chapter 1
- His praise of Light in Chapter 1 is the first time the story confirms Light’s genius-level intellect to the reader.
- A similar unnamed authority figure, the To-Oh University exam proctor, appears in Chapter 18 — a recurring reminder that Light is always under someone’s watch.
🇯🇵 Japanese Voice Actors
Masutani, Yasunori
🇯🇵 Japanese
🇺🇸 English Voice Actors
Dobson, Brian
🇺🇸 English