Hayakawa Rou is a student at the school where Morinome Shinako teaches. They seem to have some kind of shared history.
Morinome-sensei!
!مورينومي-سينسي
Frau Morinome!
¡Profesora Morinome!
¡Profesora Morinome!
Mme Morinome !
Professoressa Morinome!
Morinome-sensei!
Учитель Мориномэ!