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.
You can't do that. We're going to be parents.
لا يصحّ بك ذلك، سنصبح والدين
Das geht nicht.
Wir werden nämlich Eltern sein.
No debes hacerlo.
Recuerda que seremos padres.
No debes hacerlo.
Recuerda que seremos padres.
Tu ne peux pas faire ça.
On va être parents.
Non va bene.
Não faça isso. Nós vamos ter um filho.
Так нельзя.
Мы же будем родителями.