Kim Jipsa, raid leader of the VR game Metaria and devoted cat owner, is forced into the strange class of “Butler” after a mysterious boss appears. Soon he discovers that his pet cat, Ppijju, has entered the game and worse, the Dark Avatar Kalinus is trapped inside her body! Now, while Kim Jipsa is tasked with carrying out the dark mission in Kalinus’s place, all he really cares about is one thing: adventuring through the fantasy world together with his beloved cat.