Tomonari Mashima

Tomonari Mashima is an English teacher and the homeroom teacher of class 1-A.

Appearance
Tomonari is a middle-aged man of average height with gray hair and green eyes.

Personality
Tomonari is a man who takes his job seriously.

History
Tomonari was seen during the desert island survival test and announced the rules of the events.

Etymology

 * The name Tomonari means "wisdom, intellect" (智) (tomo) and "to be, also" (也) (nari).
 * In one of the illustrations for Volume 10 of the light novel, Tomonaru (智也) is spelled as Tomonari (ともなり). However, on the official website, it is spelled differently as Tomoya (ともや).
 * This article uses the spelling from the light novel but it can be subjected to change in the future.
 * Tomonari's surname Mashima means "real, geunine" (真) (ma) and "island" (嶋) (shima).