Stream anime episodes online for free. Watch Please! Teacher Episode 12 English version online and free episodes. Anime Episode guide, Chapter Please! Teacher Episode 12 English dubbed Teacher Once Again It’s been a year after Mizuho Kazami was sent back to her home planet by the Galaxy Federation after erasing the memories of those who she came in touch with on the planet Earth. With the help of her mother Hatsuho and younger sister Maho, Mizuho went back to the planet once again, to become a teacher at Kei Kusanagi’s school. Knowing that Kei wouldn’t remember her at all, she still insists that she would come in hopes of starting it all over again.