She soon adopts a big sister attitude with Trowa , even after learning that he is the pilot of the Gundam Heavyarms .
When the Gundam pilot Trowa Barton asks to join the circus , Cathy convinces the manager to let him .
Trowa Barton soon adopts a big sister attitude with Trowa Barton , even after learning that he is the pilot of the Gundam Heavyarms .
When the Gundam pilot Trowa Barton asks to join the circus , Cathy convinces the manager to let him .