Season 1

Newly hired teacher Satoshi Yabe begins his job teaching class 6-3 and soon becomes aware of the terrible Marui triplets, Mitsuba, Futaba and Hitoha. When the triplets notice Yabe might have a crush on the new school nu…

Futaba catches a cold and ends up ensnaring Yabe into a rather long and sticky booger. Hitoha gets access to Yabe's apartment in order to see Nipples outside of school, blackmailing him from making other arrangements.

A boy named Yuudai Chiba catches a glimpse of Hitoha's erotic book and wants to see more of it, his friend Shinya Satou getting confused and assuming she wants to see her panties. Through certain events, Hitoha ends up …

During an art class, Futaba, who has an obsession with breasts, end up drawing various pictures of breasts, one of which the principal determines is a work of art. Whilst at the triplets' house, Shinya tries to stop Yuu…

After being pressured by her classmates, Mitsuba goes with Futaba to buy a bra. Later, Nipples becomes attracted to the hamster design on Mitsuba's panties, making Hitoha jealous. Mitsuba gets into an argument with Miku…

On the night before the Sports Meet, Futaba decides to rehearse for the event by having Soujirou fill in the other parts and obstacles. On the day of the Sports Meet, Futaba behaves ravenously in a game of piggyback, mu…

Hitoha becomes fascinated by a sentai show called Gachi Rangers, though has trouble discussing it with others, leading to a confusing conversation between her and Yabe, who is also a fan of the show, when a wind picks u…

Following a game of Cops and Robbers, Mitsuba and Hitoha get locked in the gym equipment locker. Later, Hitoha becomes jealous when Nipples becomes accustomed to Futaba, which Yabe confuses to be something involving a b…

When Yuudai tries to look at whatever Hitoha's reading, assuming it's a porn book, Hitoha, who was actually reading a Gachi Ranger guidebook, mistakes him for a Gachi Ranger fan, which somehow leads to him de-pantsing Y…

During a joint recess with first graders, Mitsuba retrieves a RC coptor stuck in a tree belonging to Miku's little brother, Ryuuta, who is also a Gachi Rangers fan. When Hitoha shows him her merchandise, Mitsuba misunde…

Wanting to lose weight, Mitsuba uses Miku's cellphone as a substitute for an expensive exercise belt, later getting in trouble when Miku starts looking for it. Later, Mitsuba meets Miku's mother, Marina, who is, in fact…

Misunderstanding Hitoha's fear of heights, Miyashita wonders if she hates her for being like everyone else in the class. Futaba becomes the next guest in Yabe's talk show. A simple game of dodgeball descends into chaos …

Futaba goes into school with a fever, giving her a similar appearance to Hitoha and confusing Nipples, which shocks Hitoha. Hitoha ends up catching Futaba's fever, completing changing her aura. The girls convince Sojiro…