After a hard day of work, every K-Pop idol needs to rest and loosen up. That's when they go underground. To Utopia. utopia noun uto·pia | \yu̇-ˈtō-pē-ə \ Definition of utopia 1 often capitalized : a place of ideal perfection especially in laws, government, and social conditions 2 : an impractical scheme for social improvement 3 : an imaginary and indefinitely remote place You seriously didn't think they'd stay up there with us mundanes, right?