Moved by Tatsumi’s efforts to accomplish her goal all by herself, Mirai decides to help her even though she's still in the middle of her mission.
we had a fight over
something trivial.
تشاجرنا بسبب شيءٍ تافه
habe ich mit ihr aufgrund einer
Belanglosigkeit einen Streit begonnen.
avevamo litigato per una sciocchezza.
nós brigamos por algo besta.
мы разругались
 из-за глупостей каких-то.