Trying to find an Asian horror movie.?

Hi. I watched this movie long time ago so I don't remember much. As far as i remember there was an onryo - a female ghost like in the Ring or the Grudge, and the action took place in a subway. I remember there was such a scene - subway, a mirror on a wall, a person walks seemingly alone, but then he/she walks... show more Hi. I watched this movie long time ago so I don't remember much. As far as i remember there was an onryo - a female ghost like in the Ring or the Grudge, and the action took place in a subway. I remember there was such a scene - subway, a mirror on a wall, a person walks seemingly alone, but then he/she walks past the mirror, and you can see in the reflection that the onryo walks right behind him. Do you know what movie it could be?