Based on the erogame of the same name: a story about protagonist Ogata Koichiro's adventures in Aikyo Academy, where students are required to take lessons about love and romance.

From The Paper Dolls Project: Sakou Watari-sensei of "Cosplay Animal" fame presents with this omnibus about the love stories of five boys.

From ShoujoMagic:

The new student body president, Kiyomasa Saionji, is more strict about rules and punishments--and poor Rika can't stop breaking the rules. Is Kiyomasa too strict? Is Rika just too clumsy? ...Or are the punishments a sweet temptation?

From Viz:

Life's not easy when you're living in the shadow of your famous parents. Can shy Yura, the daughter of an award-winning composer and a world-renowned actress, find the courage to step out on her own now that her super-celebrity parents are getting divorced?

From Esthétique:

The story is basically about a girl (16) and a boy (18) who gets married because the girl is believed to have a terminal illness. The boy swears to look after her. The story revolves around the hardships around being married when you are so young of age and in schooling.

Fifteen-year-old Ishimori Uka is a very shy girl that can't stand being in front of someone. One day she meets a boy on the streets who's just as refreshing as lemon soda. He helped her when she was bullied and that boy made her wanting to change so she can properly express herself.

A collection of sweet love stories:

1) Honey Moon
As her father married again, Mio has a stepbrother. Surprisingly, he is Junpei whom she has been in one-sided love with. The situation complicated her feelings, but they began to live together. Now Mio and Jumpei have to spend three weeks alone.

2) Best Position
Chika thought that Yohei is going to confess to her, but instead he ask her to be his comedy partner! Undeterred, she still loves him and agrees...

3) Cool
Solving math problems was Yuriko's only interest until a certain popular boy Asami had confessed his love to her. She is also dragged along his pace, but somehow she doesn't mind...

4) Last Scene
Mina and her class are graduating soon. They decided to film as a tribute for their graduation. Mina had Minamoto Naoki, a quiet boy in the class to help bring this project together since he had previously filmed the class and has the talent for it. During the last couple months, they have become closer from this project, and as graduation comes near...

The events of Log Horizon narrated from the point of view of the Crescent Moon Alliance, especially Henrietta and Maryell.

Ara - a pretty high school student - finally gets the chance to cozy up to the guy of her dreams, but she blows it and ends up kissing the wrong boy under fairly compromised circumstances. Hilarious complications, mistaken identities, and misinterpreted signals ensue, and Ara soon finds herself being backed into an arranged marriage she at first wants no part of...
But, as we all know, love has a way of blooming in the unlikeliest of places... and, of course, love eventually conquers all!

Note: This series was dropped at four volumes.

Tamako, a high school girl, comes to play at the beach with her friends. She gets drunk, and when she awakes next morning, she sees Tomio lying beside her. Now she's in a panic.

Yurinori Girls School is a private school with a combined middle and high-school section, and dormitories. It’s a school for young ladies. However, there’s a little difference. All the students are ninjas! That aside, everything else is just the same as a normal girls school.

From Fujoshi Bitches:

1-3) Honey Sour Flavor
You're not only interested in my legs, right??

The new coach of the track and field club Hayashida sexually harasses Imai every day, saying "Your legs are the best!?" Imai always responds with glares, but the problem is, when Imai hears about Hayashida's past career in track and field, he become interested?

4) Sparkling Sugar

5) Caramel Line

From Moi-xRyu Scanlations:

Introducing Minato, who just after entering university dropped out and became the board chairman of the cooking school her recently deceased grandmother left behind. The head of confectionary – Nakamura, explains to Minato the school’s current position. Heeding the advice of her childhood friend and current Chinese cuisine chef Ichika-kun, Minato inquires the popular Japanese cuisine chef, the handsome Akiyama, and the Italian cuisine chef – Maeda, to become lecturers at the school. The kind and gentlemanly Akiyama, the unfriendly and strict Maeda, the splendid, despite his cute exterior, Ichika, the cool and mysterious Nakamura….Together with the four handsome chefs, Minato is opening the cooking school. What will happen from here on…!?

N/A

The trump card of the strongest spies who hold the power balance between nations is "Honey Trap"!

These two strongest spies face off in a Honey Trap at a Shared House.

Use everything and every method to make them fall in love!

From Chibi Manga:

what is the taste of love? is it extraordinary sweet? Or....
is love really sweet? Or does it become sweet because of many many fights?

Yuna never wanted to talk to the handsome boys of the neighbor high school. And then she was confessed by the most beautiful of them, she can't believe it. does he just tease her...? Can she believe in this love...??

Go Nagai's classic sexy heroine Cutey Honey has returned! In this new manga series drawn by Masaki Segawa (author of Basilisk and Y+M), Honey meets other classic Go Nagai characters as she battles the evil forces of Panther Claw.Related:> Cutey Honey ( http://www.batoto.net/comic/_/comics/cutey-honey-r8764 )> Cutie Honey a Go Go! ( http://www.batoto.net/comic/_/comics/cutie-honey-a-go-go-r9711 )

Yuzuru is a fifteen year old girl who is attending her first year in Houjou Academy. At her summer job, she met a troublesome rich boy, Renge Kai, who is attending the same school as her. Kai is part of the Kugeka, a class opened only to the rich students of Houjou.
At the end of the summer break she finds out that she has become Kai's "Honey". This nickname is given to all the students from the regular class choosen by the Kugeka to become their assistants, so that the rich boys can be successful without any problem. The up side to being a Honey is that all their school fees will be taken care of.
Although Yuzuru's family has some financial problems, she doesn't want to accept her role of being Kai's honey. But the only way to quit is to leave the school... What is she to do?

Nagase Hiro is nearly at the end of his rope–and he couldn't care less. Rumors swirl about him, branding him “The Iron Mask.” But Hiro hates confrontation and won’t even defend himself from false charges. So at 16, and a new student, he’s already suspended from school. But one girl knows the truth about Hiro–and she’s flown down from the Magic Kingdom to seek his help. Bibi has thrown away her family, her kingdom and her future just to be with Hiro. She swears she knew Hiro from before–but Hiro has no memory of her. And her clumsy magic is turning his world upside down!

Cassia Ruberno, Countess of the Simone Empire, marries Zester Greze, a commoner war hero, at the order of emperor. After living for 10 years with no love or money, he dies of incurable disease. No, I only thought that he was dead. At the same time as his death, Cassia returns to the first day she met him, 10 years ago. However, I don't want to repeat the same life as before, so I declared a "strike." Cassia, who was blunt and knew nothing but war, was determined to live on her own without being discouraged. Strangely, Zester in this life continues to try to get into Cassia's heart. Cassia, who didn't hate Zester’s efforts and changes at the same time, said, “I think that maybe I can manage change it in this life.”