Jump SquareJump Square.

Jump Square (Japanese: ジャンプスクエア, Hepburn: Janpu Sukuea), also written as Jump SQ. (ジャンプSQ.), is a Japanese monthly shōnen manga magazine published by Shueisha. The magazine premiered on November 2, 2007, as a replacement for Monthly Shōnen Jump, another manga anthology that Shueisha discontinued in June of that year. The magazine is a part of the Jump line of magazines.