黒須 カナタ

Shougo's ex-girlfriend who suddenly dropped out and left him without a trace in high school.
Since her disappearance it has been impossible to contact her directly, but she appears in his life once again after a fateful encounter.
She's currently working as a very famous model, though she doesn't like talking about it.

Taken from url=http://en.wikipedia.org/wiki/You_that_became_a_Memory_~Memories_Off~, translated from the Japanese  and partly translated from the Official Site.