Having reached a place he can't return from, Subaru realizes just how much he has been given and how little he can do to repay any of it. After remembering what he must do, he says goodbye to Kenichi and Nahoko and heads to the school. Steeling his resolve, Subaru opens the door to the classroom, where he's greeted by Echidna in a school uniform. When Echidna says he arrived much sooner than she expected, Subaru responds that she looks good in the uniform.
give your best effort in establishing 
an alliance with Crusch-sama,
،وتبذل قصارى جهدك لتأسيس تحالف مع كروش-ساما
die Allianz mit Fräulein Krusch
auf die Beine stellen
que formarías una alianza
con la señorita Crusch,
que harías una alianza
con la señorita Crusch,
que tu conclurais une alliance
avec dame Crusch,
che ti saresti impegnato 
per forgiare un'alleanza con la nobile Crusch,
e que daria seu melhor para estabelecer
uma aliança com a Crusch-sama.
и придумаешь, 
как заключить союз с леди Крушэ.