New Female Teacher: Blue Sex Time Delay
Synopsis
Three months after Nanjo Rena took up her new post at a private high school, a series of bizarre explosions have been occurring. Principal Murai, who was lobbying city councilman Matsuda for the establishment of a university, was concealing the incidents and pursuing the culprit. Leading the investigation was Chiba, a physical education teacher and Rena's lover since her student days. One afternoon after school, Rena was taken to a club by the principal, where she was plied with alcohol and taken to Matsuda's place...
You might also like

Erika Shinohara is a first year of high school student. While talking to friends, she makes up a story about her "boyfriend." In reality, Erika Shinohara doesn't have a boyfriend. Erika's friends soon begin to doubt her story and Erika is also running out of lies. Erika then sees a pretty boy on the street and takes his picture discreetly. She later shows his picture to her friends as her boyfriend. The boy in the picture is Kyouya Sata and happens to attend the same school as Erika. She tells Kyouya about her situation and asks him to be her pretend boyfriend. Even though Kyouya has a pretty appearance, he has a dark side.
Wolf Girl and Black Prince

Takao, who is training to become a shoemaker, skipped school and is sketching shoes in a Japanese-style garden. He meets a mysterious woman, Yukino, who is older than him. Then, without arranging the times, the two start to see each other again and again, but only on rainy days. They deepen their relationship and open up to each other. But the end of the rainy season soon approaches.
The Garden of Words

Raku Ichijo (Kento Nakajima) is an only son and a high school student. His father is the leader of yakuza group Shuei-gumi. Raku Ichijo doesn't like to fight and he studies hard. His dream is to become a public official. One day, he passes the entrance gate at his high school and is kicked inadvertently by Chitoge Kirisaki (Ayami Nakajo). She is a new transfer student at the school. Chitoge Kirisaki is the only daughter of a rival gang leader. To keep the peace between the rival gangs led by their fathers, Raku Ichijo and Chitoge Kirisaki decide to act as boyfriend and girlfriend. --asianwiki
Nisekoi: False Love

A high school girl, Sayaka Kudō was the bottom of the class. After a year, she improved her deviation value from 30 to 70, then passed Keio University that is considered one of the most difficult to enter in Japan.
Flying Colors

While everyone thinks that Momo is a wild party girl, the reality is that she is shy and lonely. Can Momo confess her love to her classmate, Toji, or will her best friend Sae steal him away? It's a bittersweet drama of growing up and fitting in.
Peach Girl

A girl mysteriously receives advice from her future self and as a result her group of friends, along with a newly arrived, troubled classmate, learn how to be better friends and a better community.
Orange

Finally, the day of Mai's high school graduation has arrived. While Sakuta eagerly waits for his girlfriend, an elementary schooler who looks exactly like her appears before him. Suspicious, and for all the wrong reasons... Meanwhile, Sakuta and Kaede's father suddenly calls, saying that their mother wants to see her daughter. She was hospitalized because Kaede's condition had been too much for her to bear, so what could she possibly want now?
Rascal Does Not Dream of a Knapsack Kid

Ninako Kinoshita has never been in love until an encounter with the school's most popular boy, Ren Ichinose, leads the two to befriending each other. Ren's patient and kind personality is a far cry from his unapproachable idol status at school, and soon Ninako falls in love with him. However, she must cope with the fact that he already has a long-time girlfriend.
Strobe Edge

Kogure Nao is a shy and cute high school student. One day, Onise Taiga asks her "would you like to date with me on the promise that we will get married?" Nao is unable to turn down his proposal because she is scared of him. Taiga has red hair and piercing eyes. His appearance gives off the impression that he is a bad boy, but he is actually considerate to others and good at cooking. After getting to know Taiga, Nao begins to have feelings for him.
Honey

Yokohama, 1963. Japan is picking itself up from the devastation of World War II and preparing to host the 1964 Olympics—and the mood is one of both optimism and conflict as the young generation struggles to throw off the shackles of a troubled past. Against this backdrop of hope and change, a friendship begins to blossom between high school students Umi and Shun—but a buried secret from their past emerges to cast a shadow on the future and pull them apart.
From Up on Poppy Hill

Mika is a fresh high school student who starts texting a mysterious boy. She is shocked when he reveals who he is - Hiro, a delinquent attending her school. What she doesn't know is that Hiro isn't as bad as he seems.
Sky of Love

Aoi Nishimori's parents moved to another city for work, but Aoi didn't want to transfer to a new high school. She stays behind and lives in an apartment by herself. Shūsei Kugayama moves in next to Aoi's apartment. Shūsei is a very popular student at their high school. Due to a mistake, Aoi makes the sprinkler go off in his room. Until Shūsei's room is fixed, he stays with Aoi.
L♡DK

Kyoko, who couldn't believe anything in the world and lived a desolate life, meets Katsuya Honda, who has been assigned as an educational trainee. She is at the mercy of Katsuya, who is rude and has a strong habit, and she is gradually attracted to her. However, she is disowned by her parents in the wake of an incident with her bad fellow. It's a punishment that I've been doing as much as I like. Katsuya appears in front of Kyoko who thinks so...
Fruits Basket -prelude-

When Mr. Deen discovers one of his students has been living out of his car and thrown into jail, he decides to bail him out. Determined to curb Nate’s self-destructive behavior, Deen quickly discovers a host of dark secrets slowly tearing Nate apart. What began as a good deed becomes a desperate fight to save Nate from his own demons. As Nate spirals deeper into despair, Deen must decide how far he’s willing to go to save a kid on the brink of losing everything—even himself.
Brave the Dark

At Kichijōji Station, Tokyo, Taku Morisaki glimpses a familiar woman on the platform opposite boarding a train. Later, her photo falls from a shelf as he exits his apartment before flying to Kōchi Prefecture. Picking it up, he looks at it briefly before leaving. As the aeroplane takes off, he narrates the events that brought her into his life...
Ocean Waves

In Fujisawa, Sakuta Azusagawa is in his second year of high school. Blissful days with his girlfriend and upperclassman, Mai Sakurajima, are interrupted by the appearance of his first crush, Shoko Makinohara.
Rascal Does Not Dream of a Dreaming Girl

Sawako Kuronuma looks miserable on the outside, but is actually a positive-minded girl, who looks up to Shota Kazehaya, a sociable and friendly boy. Perceiving Sawako's good intentions, he secretly has feelings for her. Sawako meets Kazehaya and makes her first friends, Chizuru and Ayane but in comes Kurumi proclaiming her love for him... Will Sawako and Kazehaya ever find out about each other's feelings?
From Me to You

Soyo, a student in a school with only six students, develops feelings for the new student, Hiromi, who has moved from Tokyo.
A Gentle Breeze in the Village

A smart high school student falls in love with her English teacher after she receives one-on-one tutoring from him.
Close Range Love

Kako, a 16-year-old high school girl, goes to a mixer pretending to be 22. While there, she meets Kouta who at first has a very intimidating aura. But once he saves her from an awkward situation, she wants to know more about him as does he. That is until he finds out she isn't 22. The next day Kako runs into him again, but this time he's working as a police officer. Kako still wants to get closer to Kouta, but he isn't interested or is he?