Yui is trapped in the abandoned supply base, and the BETA have broken through the defense lines.  With no hope of escape, she attempts to destroy the prototype cannon to keep it from falling into the wrong hands...
What are you thinking staying here alone?
¡¿Qué crees que estás haciendo 
quedándote sola aquí?!
¡¿Qué crees que estás haciendo 
quedándote sola aquí?!
O que te deu na cabeça para ficar aqui sozinha?