Marquis Kalix Adrian, the chief of the security of the Elak Empire and head of the separate 'Vesper', hears the intelligence and discovers Aran Pavel, who is bleeding dead bodies and mysteriously in the light of a white full moon, when he arrives. “I will order you as my guardian.” For some reason, Kalix couldn't resist Aran's words, and Aran, who collapsed with only a question, lost all his memories of the matter! In this chaotic situation, Kalix keeps an eye on Aran, keeping him in his mansion on the pretext of recovery. One day Aran starts clinging to Kalix, who came to him, who was feeling a burning thirst all over his body... “Please help me, my thirst doesn't go away. Marquis, please kiss me.” The mysterious man Aran Pavel, what truth is he hiding?! The hot desire and love that won't go out begins!