This mouse has a reddish-brown back and white underside. It lacks the dark stripe seen in a close relative and has relatively long ears and hind feet.
It has no dark stripe down the back, a reddish-brown upper side, and a white underside. Its ears and hind feet are described as longer than those of a close relative.
A South Korean field guide reports it most often from lower- to mid-elevation forest, especially where the understory is dense rather than in farmland.
An extinction-risk assessment has not been added yet.