A world divided into Pels and Spinels. Unlike the Pels who have wealth and fame, the Spinels live as their accessories. Rowell, a Pel who became a duke at an early age after the death of his parents, treasures the pendant given to him by his parents when he was young. However, the Spinel named Dev stole the pendant while escaping from the slave market and he suggests exchanging the pendant for a prize…! The Pel Rowell and the Spinel Dev’s risky relationship begins!