Born March 3, 2231, Age 17 on the colony world Shack-G, Yuri acts more stereotypically feminine than Kei. The problem is that she is more concerned with getting dates and marrying a rich, handsome man than doing her job, and she gets more than her share of complaints from Kei because of this. However, if anyone ever harms her partner, it's unlikely that the offender will live to tell about it. Yuri is adept at using a plasma sword and carries one as her primary weapon.
Source from Wikipeida