15 years ago, Kusanagi-sensei gave up her love (♀). Now, her lost love's daughter is her student?! As she wavers under the pressure of her... more>> student's relentless attacks, Kusanagi-sensei's (♀/36) era of trial begins! <<less

Ten million years ago, Li Qiye planted a simple water bamboo into the ground.Eight million years ago, Li Qiye had a koi fish pet.Five million years ago, Li Qiye cared for a little girl….In the present day, Li Qiye woke up from his slumber; the water bamboo reached the apex of cultivation; the koi fish became a Golden Dragon; the little girl became the Nine Worlds’ Immortal Empress.... more>>

This is a tale regarding an immortal human who was the teacher of the Demon Saint, Heavenly Beast, and Immortal Empress. <<less

Aijou experienced 100 heartbreaks during Junior High. While praying in a shrine, the God of Love appears, saying that Aijou will meet 100 fated girls.... more>> If their relationship with him fails, all the girls will face an accident and die. Now it's a matter of love or death, and it's up to Aijou to decide. <<less

Kagami Junichirou is known as a genius physicist. He wrote a thesis at a young age of 17, and it was even published by "Nature,"... more>> a prominent science journal. After college, he devoted himself to being an otaku and a NEET: Updating his anime blog and aiming for #1 ranking. He claims to have a disease that makes him do ONLY what he wants to do. Desperate to get him to do something with his life, his little sister manages to get him a job as a teacher at his alma mater. <<less

Kurosaki Mafuyu was a juvenile delinquent and head of her gang before her subsequent arrest got her expelled from high school. Now that she’s transferred... more>> to a new high school, she’s determined to become an “ultra-shiny, super feminine high-school student.” But with a new friend like Hayasaka-kun and a homeroom teacher like Saeki Takaomi (who may be more than he seems), will Mafuyu really be able to live a girly-girl high-school life!? <<less

Everyday is a normal day in the small town where Kasuga Arata lives. However, everything changed on the day of the Black Sun, and following... more>> it, a magician appears before him. The Black Sun caused the Breakdown Phenomenon which destroyed the town where he lives. Because of this, his normal life was artificially reconstructed by a Grimoire that his childhood friend had left. Just what is the purpose of the magician coming to the town? What will he do with the Grimoire's keepsake? <<less

Mikoto Ochiai is ready to jump off the rooftop of her high school's building after she got rejected by the boy she loves. However, homeroom teacher Jin Haiba suddenly appears on the rooftop for a smoke, talked to her and saved her from falling down. He even asked her to go out with him rather than die. ... more>>

A black comedy manga about love, life, and death. <<less

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

One day, An was working at the restaurant and sees a young man propose to a woman but get rejected. His "girlfriend" says they were... more>> never dating in the first place. Soon, she meets this man again at school where he becomes her teacher! Thus begins the unexpectedly tender romance between An and Furuya! <<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

I was a corporate worker in my 30’s, when I woke up and found that I had time leaped to the spring of my second year of high school. At the time, there was a teacher that I had regretted not confessing to, so I confessed to her in the heat of the moment, and now we’re dating! However, the teacher is one who would make any man a good for nothing person, so I end up being spoiled by her a lot.... more>>

While secretly dating my overworked teacher (lover), a sweet school life filled with flirting awaits. A 2nd year high schooler with a 30 year old me on the inside and the teacher (lover) that I want to pamper, our everyday romantic comedy begins. <<less

The largest rise of Dark Skin Gyarus of this century! The start of high school life with best and strongest girls out there!! High School... more>> Teacher Imada Sasamichi has been assigned to work there at this school, only to find out that everyone in the class is a dark skinned gyaru!!!! Kuroi, Kuroiwa, Kuroiso...all the names are Kuro (Black)!!! Meanwhile, Kuroi Mariko already fell in love with her sensei...!? It's the start of these lust-filled girls straight love-attacks on Sensei's life! <<less

Yali Han must live with the handsome professor because of her financial problems. At first all was well, but one day an unexpected thing happened...

In the morning of his first day of work, novice teacher Tada Haruyuki got into trouble with the principal... and he got fired immediately! On... more>> the day that he was finally appointed to another position, he encounters a little boy with round eyes on a snowy mountain road. The little boy shows him the way to his new school, but no matter how he looks at it, the school seems weird?! What exactly is waiting for Haru here?! <<less

99 degrees Fahrenheit is the temperature of the heart.... more>>

Ling Ling, a psychiatry student, seems to be a straight-laced goody-two-shoes at first, but she's actually a biker girl with a rebellious streak. For her internship, she happens to be placed with Jiu Wu, one of the best in the field of psychology, and they're forced to work together after a disaster of a first meeting. What kind of sparks will fly between the rebellious girl and the cold and cunning man?

Official English Translation: <<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

A lazy student and a straight-laced teacher. At first glance, they seem like they are on bad terms, but things get different after class...

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

A salary man is quite depressed, especially on Mondays. At his lowest point a well-endowed High-School girl calling herself Ai-chan stumbles breast-first into his face.... more>> The concussion she gave him served as the start of their relationship. Features additional single-page images of other side-stories, that were posted on the Authors Twitter every Monday before. <<less