Tonari no Seki-kun (となりの関くん?) is a Japanese manga series written and illustrated by Takuma Morishige. Originally published as a one-shot in 2010, it started serialization in the November 2010 issue of Media Factory's Comic Flapper magazine. An anime DVD was released bundled with the limited edition of the manga's fifth volume on January 4, 2014, and a television series adaptation began airing in Japan on January 5, 2014.