The fire at Hotel New Snysis was called the worst fire in history. Even though Yuki lost four members of her family in that fire, she still aspired to become a firefighter, with a certain heroic “Legendary Rescue Corps Member” in her heart. 
I just have to do it.
.عليّ ذلك فحسب
Es geht nicht anders!
Tengo que hacerlo.
Tengo que hacerlo.
C’est ça ou rien.
Devo farlo.
Eu tenho que fazer isso.
Придётся постараться.