Fairy Tail Gaiden

Fairy Tail Gaiden (フェアリーテイル 外伝 Fearī Teiru Gaiden) is a Japanese manga meta-series which consist of several sub-series by Kyouta Shibano and a spin-off of Hiro Mashima's manga series Fairy Tail.

Manga
Written and illustrated by Kyouta Shibano, Fairy Tail Gaiden: The Twin Dragons of Sabertooth is a weekly spin-off manga first serialized in the Magazine Pocket smartphone app on July 30, 2015, which is where the series has continued its serialization since then. The individual chapters are being collected and published in tankōbon volumes by Kodansha, with the first one being released on January 15, 2016. Currently, there are 33 chapters in total.

The first sub-series, Twin Dragons of Sabertooth, was licensed for an English language release in North America by Kodansha USA on March 24, 2016, with the first volume set to be released on December 6, 2015.