
Chapter 12 of Assassination Classroom carries the English title Time to See the Principal. Collected in Volume 2, it was one of the manga's early installments and later received a voiced comic adaptation on Japanese television.
This 12th chapter of the manga prints under the Japanese heading 支配者の時間, romanized Shihaisha no Jikan, a title whose literal sense of a ruler or governor foreshadows the introduction of the school's imposing principal. The source keeps no written plot recap, so the account below rests on the confirmed cast, the chapter's early placement, and its later media adaptation.
Korosensei leads the order of appearance, followed by a broad turnout of Class 3-E that includes Sumire Hara, Sosuke Sugaya, Manami Okuda, Nagisa Shiota, and Karma Akabane, along with the instructors Irina Jelavic and Tadaomi Karasuma. The principal Gakuho Asano also features. Several figures appear only within imagined or remembered moments, among them Taisei Yoshida and Yuzuki Fuwa in imagination and Kensaku Ono in a flashback.
The chapter runs 19 pages, was carried in issue 43 of 2012 dated September 24, and sits between Chapter 11, titled Assembly Time, and Chapter 13, titled Plenty of Time to Study. It also spawned a VOMIC voiced-comic version, which ran as a recurring feature on the variety program Sakiyomi Jan Bang! during early June 2013 and was posted online through Shueisha's VOMIC site the following month.

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Chapter 12 is titled Time to See the Principal in English, from the Japanese heading Shihaisha no Jikan, which literally refers to a ruler or governor.
Chapter 12 introduces the school's principal, Gakuho Asano, alongside Korosensei and a broad turnout of Class 3-E students including Nagisa Shiota, Karma Akabane, and instructors Irina Jelavic and Tadaomi Karasuma.
Chapter 12 was published in Weekly Shonen Jump issue 43 of 2012, dated September 24, 2012.
Yes, Chapter 12 was adapted into a VOMIC voiced comic version that aired on the variety program Sakiyomi Jan Bang! in June 2013 and was later posted online through Shueisha's VOMIC site.
Chapter 12 is collected in Volume 2 of Assassination Classroom, sitting between Chapter 11, Assembly Time, and Chapter 13, Plenty of Time to Study.
Looking for more on Chapter 12? The Dragon Ball Wiki on Fandom has a dedicated page with community notes.
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