Season 1 of JK to Inkou Kyoushi 4 premiered on May 27, 2011.

Two students transfer to a new school and they work as models so the school makes a special exception to allow them to keep working but with the condition of asigning a teacher as her escort and assistant. But when the dominant girl realizes they got a "fat pig" as her escort she insults him and send her friend to please him just in order to humiliate him but things go wrong and now they are turned into the teacher's pets.

Season 2 of JK to Inkou Kyoushi 4 premiered on September 28, 2012.

While staying in an old travel lodge, a minor Diet member meets Hatsune. Wearing a school sailor uniform and black stockings, this seemingly well-bred long-haired beauty offers her virginity to him. She falls in love with his gentleness and leaves her home together with him.

Season 3 of JK to Inkou Kyoushi 4 premiered on April 27, 2018.

Hatsune is enjoying her vacation on a cruise. She was brought by Sensei, who she hasn’t had to herself for a while. Tolerating the embarrassment, she shows off her excellent body with a skimpy bikini that Sensei told her to put on. She is filled with joy after Sensei expressed his wish for her to make friends with those of her own age. On the other hand, there is the cheeky model magazine that makes her manager/teacher quell her body whenever she gets hot. She complains to him, but is easily coaxed into doing what he says… Simple as ever, Shizuka ends up meeting with Hatsune who has come to her school. Dumbfounded on how someone could look like a princess straight out of a story, Shizuka gets all buddy with Hatsune saying that she would love to meet her father who is a legislator. Thinking to herself that using her weapons as a high school girl would be more than enough for some legislator…