Ruri, the daughter of a jewelry designer, is desperate to see the enigmatic jewel thief Kaitou Crow again. After their first encounter, when Crow stole her first kiss and declared he would take both her heart and her body along with the jewels, Ruri decides to become a jewelry model in the hope that Crow will target her once more. The story follows their dangerous cat-and-mouse romance, weaving together mystery, drama, and suspense as Ruri risks everything to draw the thief into her orbit while Crow maintains his elusive, conceited, and forceful demeanor. Their relationship deepens against a backdrop of jewel heists, stolen kisses, and escalating emotional stakes.