The manga was serialized in Kodansha's Bessatsu Shōnen Magazine between December 2009 and September 2014 and compiled in eleven tankōbon volumes.

Following the death of his pet cat, Babu, he attempts to revive it using an old manuscript, which describes the process of creating a potion for resurrection.

In an attempt to commit suicide, she drinks a sample of the "resurrection" potion which is created from the poisonous Hydrangea macrophylla flower, although this fails to kill her.

Written and illustrated by Mitsuru Hattori, Sankarea: Undying Love was serialized in Kodansha's Bessatsu Shōnen Magazine from December 9, 2009,[4] to September 9, 2014.

[12] A 12-episode anime television series based on the manga was announced in the October 2011 issue of Bessatsu Shōnen Magazine, and aired between April 5 and June 28, 2012.