Gleipnir is a Japanese manga series written and illustrated by Sun Takeda. It was serialized in Kodansha's seinen manga magazine Young Magazine the 3rd from October 2015 to April 2021, and later transferred to Monthly Young Magazine, where it ran from May 2021 to April 2023. Its chapters were collected in fourteen tankōbon volumes. The manga was licensed by Kodansha USA in North America. A 13-episode anime television series adaptation by Pine Jam aired from April to June 2020.