Erika and Sakaki manage to escape from under Sensei with her mother's guidance. Apparently, she's been making preparations, little by little, for Erika to run away one day. Erika learns of thoughts and feelings she didn't know her mother had.
After making contact with Mikado and the others, Erika tells them that she wants Sensei to stop doing the work they do, not just herself. Mikado decides to help, but it seems that Hiyakawa can't understand Erika and Mikado's feelings.
She gambled everything 
to help us get away.
راهنت بكلّ شيءٍ لمساعدتنا في الهرب
Sie setzte alles aufs Spiel,
damit wir fliehen können.
Arriesgó todo para que pudiera huir.
Arriesgó todo para que pudiera huir.
Elle prend de gros risques
en m’aidant.
Ha rischiato tutto per farci fuggire.
Ela apostou tudo e nos ajudou a fugir.
Она рискует всем, чтобы помочь мне.