Rou, formerly Tomokui Kanata, was a human with an Esper ability. One day, he was killed by Kirimine Aoi, a childhood friend who became his stalker. Later, he wakes up only to find himself reincarnated as a Goblin, a Monster Species considered to be of the lowest class. His memories as a Human and his original Esper ability, Absorption, remained in him. Having a second chance at life, Rou is determined to live it to the fullest.