Yu-na Jeong / Third Tenant / Wealthy Heiress “I came to take responsibility for you, Yuman. I always keep my word.” The youngest daughter of a powerful and successful conglomerate family. She seems carefree, full of energy, and always ready to have fun—like she doesn’t have a worry in the world. But at home, she’s seen as the clumsy, useless one. And that “useless one” ends up causing real trouble. Min-jung Park / Fourth Tenant / First Love “I had nowhere else to go but here.” Once an unknown idol struggling for attention, Min-jung is now a national sweetheart. Just when her career seemed to be at its peak, radiant and busier than ever, another scandal threatens to bring her crashing down. Right now, Yuman is the only person she can rely on.