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.
It isn't about benefit or loss! That's just...
...لا يتعلّق الأمر بالمنفعة أو الخسارة! إنّه
Darum geht es doch gar nicht!
¡No se trata de ganar
o perder algo! ¡Es…!
¡No se trata de ganar
o perder algo! ¡Es…!
Il est pas question de ça !
Ma non è una questione di vantaggi 
o svantaggi, non si tratta di questo!
Não é questão de ganhar alguma coisa. É só...
Да при чём здесь польза, это вообще...