The BETA have invaded Japan, and are advancing on Kyoto.  An alien vanguard breaks through the Japanese lines, and attacks Yui's supply base.  Badly outnumbered and cut off from support, she has no choice but to flee...
along with my vow that 
I would never cry again.
a la vez tatué en mi corazón,
a la vez tatué en mi corazón,
Naquele dia, expulsei a ideia de extinção de meu coração.