  Using conventional constituent-quark model, $I=1/2$ scalar $\kappa$, vector
$K^\ast(892)$, and axial vector $K_1$ mesons are studied in the asqtad-improved
staggered fermion with the wall-source and point-sink interpolators. The mass
ratio of $m_{\kappa}/m_{K^\ast(892)}$ is numerically confirmed to vary
apparently with quark mass, and the experimental ordering $m_{K^\ast(892)} >
m_{\kappa}$ is elegantly hold when the light $u/d$ quark masses are
sufficiently small, while the valence strange quarks are fixed to its physical
values. We also get reasonable signals for $K_1$ meson suggested by SCALAR
Collaboration from lattice QCD. The computations are conducted with the MILC
$N_f=3$ flavor gauge configurations at three lattice spacings: $a\approx 0.15$,
$0.12$, and $0.09$ fm.
