The official website for the new compilation film Ansatsu Kyoushitsu: 365 Nichi no Jikan uploaded a third teaser that includes some brand-new animation. It also introduces the movie’s theme song, Shigyo no Bell by Shion Miyawaki. Shion also sang the ending of the TV anime second season.

The third teaser shows Nagisa and Karma meeting one day before the official reunion of the 3-E class.

©松井優征/集英社・アニメ「暗殺教室」製作委員会