The Red Teacher (2016)

In 1985, Tae Nam works as a teacher at an all-girls high school in the country. The students there do not like him, because he keeps shouting at them. In fact, Tae Nam has never had a date in his life. One day, he finds a banned erotic book at the book store. The novel, which spreads among the girls at the high school, ends with "to be continued." The students become curious about the second volume. Soon Duk decides to write the second volume for her friends.

Unfortunately the movie The Red Teacher is not yet available on HBO Max.