High schooler Natsuo is hopelessly in love with his cheerful and popular teacher, Hina. However, one day at a mixer, he meets a moody girl... more>> by the name of Rui and ends up sleeping with her. Soon after, his father announces that he's getting remarried to a woman with two daughters of her own. And who shows up in tow, other than both Hina and Rui?! Natsuo's outrageous new life starts now! <<less

A young man finds and returns a lost wallet and cell phone to a beautiful young lady, thus begins the destined relationship between two strangers.... more>> Sound typical? Well then, how about making the young lady the young man's future homeroom teacher, and give them both a twisted sense of right and wrong. And just for kicks, let's have the young man help himself to a self proclaimed reward from the lost wallet before returning it… but of course, this scenario wouldn't be complete unless the young lady was very unforgiving when it came to teaching one of her students a lesson on morals. <<less

It's the story of a high-school girl, Hibiki, who falls in love with one of her teachers. The two start dating, but run into a lot of trouble. Hibiki's friends cover for her, and part of the story is also about them.... more>>

Also included is a story called Tomodachi Nante Iwanaide in volume one:

A short story about Kumiko's five-year unrequited love to Kanata. Kanata has always seen her as the girl who ate a beef bowl and a good friend. Will that finally change? <<less

Home Economics Teacher, Shinji Yabe, is asked by the biggest gyaru in school, Miku Okazaki, to help her "bake cookies to give to the teachers".... more>> The principal told her to do this, after she flunked every subject and makeup-class they put her in. He gets her to successfully finish a batch of cookies after several mishaps and is touched by his students glee over her success. He decides to start a cooking club after this experience to get more time and connection with his students. Upon hearing this, Miku decides to join, since he was the first teacher that didn't shove her into makeup-lessons after her failings and pushed her to try harder instead. <<less

After losing their parents, Fumino and her brother hop from one relative to another. Getting tired of all those moves, she finally decides to quit school and work to support her brother on her own. As they sat on a park bench, her teacher appears in front of her and agrees to her demands of marrying and supporting both her and her brother!! Is he serious or just playing around...?!... more>>

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Also contains the oneshot, Tsukio to Himawari, in vol. 1.

Asahi-kun is a carefree junior-high student, never attaching to girls even though he enjoys going with them. But when the school's number 1 honor student Mitsuki "cyborg" Konno asked him to a 1-month date, in exchange for the front row ticket to his favorite singer's concert, he was forced to accept. He only has to show her what it feels like to date, right? He is ready for that...however, what he's not prepared for was his heart's reaction... <<less

15-year-old country girl, Suzume Yosano, has to move to Tokyo to live with her uncle due to her father's transfer. She bumps into a mysterious man who ends up taking her to her uncle's place after she gets lost. Turns out, Suzume will be seeing him a lot more often once she starts school because... he's her homeroom teacher!?... more>>

Volume 3 contains the oneshot The Second Kiss (セカンドのキス)

The second, sorrowful kiss. She and I are...

Volume 5 contains the oneshot Cookie Girl, Cream Boy (クッキーガール クリームボーイ)

Asuka Fuji, a girl with naturally curly hair, is asked out by Sen Naoki, a first-year fair-skinned boy that she considers too elegant and elite for someone like herself. However, she eventually starts to fall in love with him. Together, they are just like an Oreo; creamy and dark, steady and rough, a rather odd pair but happy nonetheless.

Included in the manga is a oneshot story called Tsuyu Kaoru (A Love Story in Moist Rainy Days) in volume six:

A romantic and melancholic love story behind a red umbrella. <<less

For some reason, Kunitachi Kunihiko, a language arts teacher, always finds himself quarreling with his student, Kazumiya Kazumi, an anti-social girl without any friends. When... more>> he tells her to make some friends, she declares: "Be my friend, Sensei." <<less

Kang Han-Se and Ban Ha-Da have known each other ever since childhood. They are close enough to sleep in the same room together at their current age.... more>>

"Three men for you," Kang Han-Se's mother tells Ban Ha-Da, on the day of graduation. As soon as Ban Ha-Da's life as a high school student starts, her love life begins as well. <<less

Unbalance x2: After Story manga summary: Sequel to “Unbalance x2”. 25-year-old Nah Hae-Young is a high school teacher. She’s pretty popular and well-received by her students, but she has one huge secret… She’s actually in a relationship with one of her students, Myung Jin-Ho! This is her story of trying to navigate her life without allowing too many stirrups from her young lustful boyfriend!... more>>

Note: This series is a loose adaption/spin-off of the “Unbalance x2” manga with a simplified & rewritten plot for webtoon format. It's not actually a direct sequel, despite the series name. <<less

Shen Sheng has always been obedient and never once deviated from the life course set for him by others. Everything changes when Cheng Mu, a... more>> literature professor, comes into his life. By accident, he discovers the young professor's secret. At the same time, the professor also finds out about Shen Sheng's unique talent. Their lives will never be the same again. <<less

At Takamanohara School, lots of the students have crushes, but all on different people. In fact, if you trace out who likes who, it makes... more>> a full circle! This is the story of that circle of crushes. <<less

The four Sakimiya sisters all have their own love lives to deal with when it comes to being in love with other women. The eldest... more>> Ryou is dating her student Hikari, the second sister Serina has feelings for one of her coworkers, the third sister Yuika likes her childhood friend Miu, and the fourth sister Mizuki is going out with Tachibana, an older girl on the basketball team. <<less

Ageha, an ordinary (and rather unpopular) girl, is constantly overshadowed by her popular and beautiful twin sister, Hana. Because Ageha grew up in the countryside with their grandmother while Hana was raised by their parents, the two girls ended up with drastically different personalities.... more>>

For the most part, Ageha remains a silent and hidden student in the school, with only one friend (who isn't all that nice either). In fact, nobody even really knows that she is Hana's twin sister, because despite looking alike, there is still a large gap between their levels of beauty and popularity. When Hana finds out that Ageha has a crush on a cute boy named Ryuusei (who is actually Ageha's childhood friend from the countryside), Hana becomes curious about their relationship.

However, after hearing that Ryuusei hates people like Hana, Hana becomes irritated and using her charming personality, actually manages to snag Ryuusei as her boyfriend! Ageha is left with no one, but thanks to the strange new school counselor, and some unexpected allies, Ageha decides to do her best to get Ryuusei back. <<less

Uni is a prodigy with a cool reserve who is accomplished in everything except for English. One day, she insults her temporary English teacher and... more>> he overhears her. He asks her to come to his office after school and, somehow, she starts receiving private tutoring from him. <<less

Akira Shindo has been transferred to Fuga High School where she is almost raped by a group of young thugs. She meets Mahiru Suruga, a mysterious but beautiful girl with both arms in bandages. Mahiru is aloof and cold. Her motto is, "I will neither rely on others nor have anything to do with others." The two girls get caught up in a series of incidents at school and Mahiru, a strong fighter, always manages to sort them out. Mahiru starts to soften up, as she becomes friends with Akira, who loves to stick her nose into other people's business.... more>>

Mahiru's school life is turned upside-down as many people approach her. Kaede is a high school student training as a swordmaster under a senile old man, who turns out to be a real pervert and a fake. Mahiru's father also comes into the story and things get chaotic.

One day, Satoru Tsunami, a high school student and an aspiring reporter starts following Mahiru. He deeply respects Mahiru and considers her the strongest high school student and a rebel against adults. Why is Mahiru so strong? Satoru tries to find out her secret. Why has Mahiru shut herself out? What is going on inside Mahiru's mind? <<less

Usagawa Rinne, a normal female high-school student, spent happy days with her lover, Sakaki Guryuu. However their peaceful days were suddenly shattered. On the night... more>> of Sakaki's birthday, Sakaki witnessed Rinne's death after her eye was gouged out by a girl named "Gankyuu Eguriko"... <<less

Mashiro was always alone, whether at high school, cram school, and home. Until one day, Mashiro met a youngster with a strange atmosphere. Holding the... more>> thought of “I want to change”, she took a big first step forward--even though her legs are small--seeking the path of Eden. <<less

The main character of this story is a girl with obsessive compulsive disorder. On a visit to her new school, she meets a fellow student,... more>> a "bad boy," and a handsome teacher. Things start to heat up later on, but who will she end up with?! <<less

Enter Kadokura Kyouko, grade school teacher, 33 years old, single. She has a gentle and caring personality and loves her job. Unfortunately she is only popular with her pupils, so her prospects of ever getting married seem grim.... more>>

Also enter Yamato Kazuki, university student, 20 years old, future goals: marrying Kyouko-sensei, becoming an astronaut (?). He's been in love with Kyouko-sensei ever since she became his homeroom teacher in 4th grade. Now finally an adult and having enough money to buy a ring, he decides to propose to her and she - in some way or other - agrees to become his girlfriend.

But even though theoretically a couple now, their teacher-student relationship doesn't seem to have changed much. What will become of this unlikely pair? <<less

She's hiding behind her real feelings.... more>>

He's an airhead who plays along with everyone...

She's the newbie everyone hates...

He likes her but can never admit his feelings to her...

She doesn't really bother with stuff like love...

...are just few of the people who are a part of this intertwined connection from middle school up to university.

What would these intersecting red lines of fate lead to? <<less

"I have my eyes on him, only him." Ming ZiQi's attention was drawn to Xiao Luo on his first day as a supervisor in practice.... more>> But as a simple murder case becomes something much more, it is time to seek out the truth? <<less

Kawana Tomoko, a 15 year school girl, doesn’t care about much. Everything from her social life to school life is a blur. One summer day,... more>> while waiting at a bus stop, Tomoko finds herself waiting with her classmates, Sasajima Miyuki, Yatomi and Sannou. There are nasty rumors flying around about Tomoko and how she had relations with Yamashita, a teacher at their school. As the group boards the bus and the awkwardness reaches its max, a meteor comes out of nowhere and hits the bus sending everything into a frenzy. <<less

The story revolved around Ayu, who constantly gets rejected by the person she confessed to. She then met someone whom she madly fell in love... more>> with but turns out to be her Teacher (the older brother of Hiromitsu from Heroine Shikkaku). A hilarious rom-com about the struggles of being in a student-teacher relationship. <<less

A new teacher, Miss Jung has a student she particularly worries about. Ryu Min is the top student in the school, he's tall, smart, and... more>> handsome. He shocks her by telling her, he wonders what it would feel like to kiss her. What is she to do about him? <<less

Shinji was a high-school guy without a future.... more>>

He went up to the roof of a building with plans to jump, only to run into his beautiful teacher, Shinanoya-sensei!

Then she made a shocking proposal that would change Shinji's destiny...

An exuberant tale of double suicide from the pen of a genius!! <<less