Yamaguchi Kumiko, a new teacher at Shirokin High School, has been assigned to teach a class full of the school's most notorious delinquents. Unbeknownst to her fellow teachers, Yamaguchi is better equ…

When the students create posters making fun of her and the head teacher, Yamaguchi learns that they have given her a nickname, "Yankumi", which she unexpectedly embraces. One of the students, Minami, …

A serial purse-snatcher is targeting women in the neighborhood near Shirokin High School, and Uchiyama, one of the students in Class 3-D, is a prime suspect. Determined to prove Uchiyama's innocence, …

Yamaguchi's fellow teacher Shizuka, who teaches English, is also working nights at a club in the Ginza district. One of Shizuka's students, Noda, who has developed a crush on her, gives her a necklace…

Sawada finds Yankumi's lost phone and sets out to return it. In doing so, he ends up in a house filled with Yakuza and learns the truth about Yankumi's family from her grandfather. Meanwhile, the teac…

It's time for Shirokin High School's annual sports tournament, and the initially reluctant students of class 3-D have been goaded into participation by dismissive remarks from the head teacher, but th…

Yankumi is struggling through parent-teacher conferences, but when it's time for Sawada's meeting, his parents don't show up. Later, he receives a visit from a girl who turns out to be his sister. Thr…

Because of Shin's scary story, Yankumi is scared to walk alone to the school hallway. One time she left her phone and thinks that someone was following her only to find out that it was a little boy. T…

Yankumi is happy for class 3-D will be hosting a volleyball tournament however they will not the playing.Yankumi thought of something to make them participate and thought of forming a cheer-leading gr…

Everyone is lovelorn that day. 3-D went to a group date wearing formal clothes to keep the fact that they are from Shirokin but soon was revealed. Yankumi saw her long time crush with a girl, and Tets…

As usual, Yankumi was called for her students got involved with cops but this time in a positive way. The 3-D became heroes and for some reason, Yankumi gave so much attention of herself although she …

FInally the magazine stating Yankumi's back ground came out and made a lot of commotions. Yankumi was forced to resign but she doesn't want to. The students on the other hand were so mad about the bad…

In the first episode, two characters are introduced. Hayato and Odagiri. Hayato is the leader of class and childhood friend of Odagiri. For some reason, Hayato and Odagiri fought and now Odagiri Ryu q…

Yankumi has convinced Ryu to go back to school but Hayato is still against him. The atmosphere in class suddenly changed when the two met. Although Ryu isn't against the reconciliation thing, Hayato s…

Some guys are around the neighborhood beating people up and claiming that if they have any problem, they can go to Kurogin high. They also say that they are Hayato and Odagiri. One night the two were …

Girls are coming to Kurogin high and class 3-D are so excited but ended up scaring them. On the other hand, Tyuchi, another student met one of the girls in a books store shoplifting. Tyuchi didn't tur…

It's valentines day and Takeda is having a huge crush on a girl working at a restaurant as a waitress. Takeda never said anything to her but alwys eats in the restaurant just to see her. He does every…

In this episode the story focuss on Hyuga. When they were asked if they already knew what to do in the future, Hyuga had set his mind into something and actually, he had his mind into it now. Hyuga st…

Yankumi is on a job hunt for after three months she's out of the school considering that the chairman hates her. On the other hand, her student will soon be so Yankumi tries her best to find a job for…

Kuma's shop (previous student form season 1) is being threatened by some bad guys but refused to tell Yankumi but did seek help from Hayato. He figured out that since he graduated, he is no longer a s…

The story line in this episode is Odagiri and his father. The father of Odagiri is a high ranked police which is the opposite of Yankumis grandfather. The father is against the friends of Odagiri and …

After few days, the class 3-D will be graduating but problems occurred when Kudou came. The class 3-D promised not to fight till graduation but when Kudou's gang attacked them... On the other hand, th…

Three years after her resignation from Kurogin Academy, Yankumi returns as the new homeroom teacher of Akadou Academy's 3-D! Upon her arrival, she discovers that the class is full of delinquents, and …

Determined to teach class 3-D the true meaning of comradeship, Yankumi seeks out different ways to relate and get closer to the students, yet all her efforts seem to be thwarted. Meanwhile, the two he…

The Spring Inter-Class Competition is nearing, and now that Ogata's and Kazama's sides have already made peace, Yankumi is more fired-up to have the whole class join and conquer the rugby match. Ichim…

Yankumi, the teachers and class 3-D meet Kaoruko, Kazama's older sister. She visits Akadou Academy, and chastises Kazama upon finding out that he has a part-time job, which is prohibited in school. Am…

Yankumi talks to her students’ parents about their future during PTC, one of them being Honjo Kengo's dad, a tofu store owner. When he collapses from over-fatigue, class 3-D fears that Honjo will have…

Class 3-D is planning a hook-up party with some girls from the neighboring schools, but Kuraki "Kura" Satoru is indifferent... for he is actually in love with Saki, a sickly girl he met a week prior. …

It's time for Akadou Academy's annual festival, and Yankumi encourages class 3-D to participate. At first, everyone is uncaring, but the promise of girls visiting the school during the event ignites t…

Ami, Kuma's wife, is approaching her due date. While an excited Yankumi prepares for the baby's birth, one of her students, Kamiya Shunsuke, finds himself frustrated when he gets beaten up by an Ara H…

Class 3-D is awarded for catching a thief during a secret night visit to school, yet their celebration is short-lived when they get into a scuffle with a few classmates who gets themselves involved wi…

Curious about why Yankumi is so strong despite her looks, Ogata and Kazama's group decides to follow her home, and gets the shock of their lives when they discover who she really is. The cheery atmosp…

It's almost time for the finals, and class 3-D is determined not to fail in order to have a great summer break. Apart from that, they also have to avoid expulsion by not getting into any more trouble,…