A man enters the shower after his workout, but is soon sidetracked by a noise he cannot identify. He decides to seek out the source of the sound, and enters a situation that will leave him completely exposed.

A story presented before the birth of civilization; a man without a community, completely at the mercy of nature.

The boys in class 3F have bullied and made noise with all the teachers at school, and no one dare to teach them anymore. When no teachers appear in the classroom, they decide to teach each other.