Ogata was the homeroom teacher of Taishi Fura and Kishou Arima during the events of Tokyo Ghoul: Jack. A strict disciplinarian, he was gravely wounded in an attack carried out by the ghoul Tanaka.
A middle-aged man carrying a little extra weight, Ogata wore his brown hair cut short.
Strict and rule-bound, he favored studious pupils and had no patience for troublemakers like Taishi. He was quick to scold anyone who stepped out of line, and singled out both Arima and Taishi more than once.
In class he berates Fura over his frequent absences, and when Taishi grabs Arima by the collar, he throws Fura out for disturbing the better students. Later, making an evening round of the school, he spots Arima and Taishi lingering and moves to send them off. He never gets the chance. A janitor who strikes him as suspicious, in truth the ghoul Tanaka, drives a kagune into him and leaves him badly hurt. What becomes of him after the attack is left unresolved.

Naruto vs Luffy with the twist nobody asked for: Luffy tickled Hinata on date night, and she kind of liked it. We break down the whole fight and commit to a winner....

There are no women on Namek. That isn't an oversight, it's the biology. Why we handed Piccolo the one thing his own species rules out, and why it had to be trap soul....
No, Ogata is not a villain. He is an ordinary human homeroom teacher of Taishi Fura and Kishou Arima in Tokyo Ghoul: Jack, and he becomes a victim rather than a perpetrator when the ghoul Tanaka attacks him.
Ogata was attacked by the ghoul Tanaka, who was disguised as a school janitor and drove a kagune into him during an evening round of the school, leaving him badly hurt.
Ogata was the strict, rule-bound homeroom teacher of Taishi Fura and Kishou Arima, favoring studious pupils and quick to scold troublemakers.
What became of Ogata after Tanaka's attack is left unresolved in the story; his status is recorded as unknown and missing in action.
Ogata was quick to discipline Taishi Fura for his frequent absences and for grabbing Kishou Arima by the collar, singling out both students for reprimand more than once.
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