Megumi Toyoguchi (豊口 めぐみ, Toyoguchi Megumi, January 2, 1978) is a Japanese seiyū (voice actress) from the city of Machida, Tokyo. She is affiliated with 81 Produce.
Koushun Takami's notorious high-octane thriller envisions a nightmare scenario: a class of junior high school students is taken to a deserted island where, as part of a ruthless authoritarian program, they are provided arms and forced to kill until only one survivor is left standing.