As a director at a corporation that his gang owns, Jichan the Alpha has to battle to prevent his competitors from taking over his job. Eugene, the director of a well-known pharmaceutical company, offers him a lucrative business agreement just as he's desperate to see results. But when Eugene kidnaps Jichan and uses him as a test subject for a medicine called a trait converter, Jichan's hope turns to despair. Jichan, having been transformed into an omega and imprisoned against his choice, is made to surrender to the ruthless alpha Eugene. But given how little time they've spent together, why is Eugene acting so oddly spiteful?