Weekly Shōnen Jump

"Weekly Shōnen Jump, first published in 1963. It is Japan's top manga magazine, being the most published at 6.57 billion issues."

- Saiki Kusuo, Chapter 22 (Front color page)

Weekly Shōnen Jump (週刊少年ジャンプ Shūkan Shōnen Janpu) is a weekly shōnen manga magazine published in Japan by Shueisha under the "Jump" line of magazines.

The chapters of series that run in Weekly Shōnen Jump are collected and published in tankōbon volumes under the "Jump Comics" imprint every two to three months. The manga series within the magazine target young male readers and have several range of genres.

The majority of Saiki Kusuo no Ψ Nan was serialized in Weekly Shōnen Jump. The magazine published 7 one-shots from May 9, 2011 to November 21, 2011. Asou Shuuichi, the creator of the series, was made an offer for serialization afterwards, and it began to publish from May 14, 2012 to February 26, 2018.

Spin-offs
The magazine has several spin-offs that specifies for a particular market, demographic, etc. Specifically, 2 of the magazine's spin-offs published some extra content for the series, Jump Next! (少年ジャンプNEXT!) and Next!'s replacement, Jump GIGA (ジャンプGIGA.)

Jump Next! (少年ジャンプNEXT!) was originally a seasonal released magazine until 2014. It featured many one-shots, some of them ending up getting picked for a full series in Weekly Shōnen Jump.

The magazine published the series' first one-shot on August 16, 2010. It later published extra content, such as a crossover with Assassination Classroom.