"I've liked you for a long time. Please go out with me!" These were the words second-year high-school Kazuki Yugawara heard when one day out of the blue, someone confesses their feelings for him! But, wait just a minute… I go to an all-boys school. And the one who confessed to me was Sakurada-kun, who… is also a boy! I’m happy someone told me they liked me, but there's no way I could ever go out with a guy! But this guy Sakurada looks like a girl. What to do?

Yugo Beppu is a master negotiator and mediator. Fluency in five languages, Socratic wit, and a deep understanding of human nature combined with top-level international connections make him a formidable operator. When a woman's father is seized by Dacoit bandits in Pakistan, Mayuko seeks Yugo's help. After complex and dangerous negotiations, he secures his release. After this success Yugo is called in to deal with yakuza in Japan, triads in Hong Kong, the IRA in Northern Ireland, and the Russian Ministry of Internal Affairs in Siberia.

Note: New versions of this manga were published under different arcs in bunko format such as the Pakistan Hen, Russia Hen, etc.

Yugo Beppu is a master negotiator and mediator. Fluency in five languages, Socratic wit, and a deep understanding of human nature combined with top-level international connections make him a formidable operator.

What is the terrifying secret behind beautiful honor student Yui Kamio's hair?! And why must she always keep it tied up? Super popular Kiito's high school life is plunged into chaos by the worst classmate imaginable! Hiroshi Shiibashi, the creator of Nura: Rise of the Yokai Clan, delivers a comedy that isn't afraid to let loose!

From Peccatore Sanctuary:

Prime Minister, Kanata Okazaki's SP (bodyguard), Ryouichi Makita, falls after covering Kanata from a bullet. As his conciousness fades, what came back in Ryouichi's mind was his high school days -- when he first met Kanata, who pierced him with his unforgettable eyes....!!

Naoto has just discovered that his grandfather was the head of Kurusu family. The old man's will states that he wants Naoto to take over the family and businesses, but this is the first Naoto's heard of any of it! If Naoto accepts his life will change forever and guardian Iori Kazuki swears he'll protect Naoto with his life...

A girl with a fascination for Shot Put, and a boy with a fascination for the girl.

Oomiya-kun is often late for class so as a punishment, he is forced to join the Track and Field Club. However, that's where he discovers Nazuna Yuizaki, the girl he has a crush on, training seriously with Shot Put. Can he use this opportunity to get her to finally notice him?

Nakahara Yukiko stumbles upon a class filled with supernatural students... Just what are these weird misfits doing in a human high school? NOTE: READ FROM RIGHT TO LEFT. ALSO MASSIVE ART-CHANGE AFTER THE FIFTH CHAPTER. 

Shochikubai Miroku is the son of a police commissioner (father) and also a traveller (mother). Miroku has lots of connections and is a very good fighter. His interest is his motorcycle. Kikumasamune Seishiro is the rich son of a large hospital. He also fights as well as Miroku. He is a good fighter with smarts. Bido Granmarie is the son of a Swedish ambassador. He's also a playboy, dating many girls at once. Granmarie can't see himself going steady because he thinks the world can't handle it.

Kenbishi Yuri is the rich daughter of a world-renowned president of the Kenbishi Business. She loves to indulge on eating. She's also a good fighter, but can never beat Seishiro. Hakushika Noriko is the daughter of a famous japanese painter (father) and her mother is from a tradition tea ceremony family. Her only hate is men and can get very violent when they touch her. Kizakura Karen lives with her mother, a rich jewel dealer. Her dream is to marry into a rich family using her attractive body and style.

Together, they formed the Yukan Club, solving mysteries to pass time.

It won the Kodansha Manga Award for Shojo in 1986

From Omari's Sister:
Yukari, at the tender age of 17, is a renown Edo period novelist who claims visions of Yoshihara during the Edo period gush from his heart. After meeting Mahoro, a girl he swears he knows and has met before, Yukari finds himself falling asleep and waking up in the Edo period as an Oiran. The past and present collide in this time traveling romance.

The misadventures of a high school hockey club featuring a student who has returned from Japan after playing hockey in Canada.

Stories from the Oniyuri Hot Spring, a no-name hot spring which slowly starts to gain fame as more women come to visit.

Interlinked stories.

From Echochi Scans:

One contemplates his relationship with his lover while the latter’s taking a long bath. Wonder where that’ll lead to?

Part of Canna’s volume 11 short project, The Onsen Boys Short Project.

Young cafe worker Yuki dreams of romance and a life far more wonderful than her own, but has no way to do anything but hope for the future – but a chance encounter with the beautiful, mysterious authoress Azuma Beniko, a woman who seems to know love like the back of her hand, might change the very way she looks at the world…

First year Highschool boy Shin Yuki stumbles one day upon his naked childhood friend reenacting a sensual novel with an mannequin in an empty classroom.
Yukino Kurose, a third year student, loved to reeanact stories with Yuki's help from books when she was a child, to discover how the characters in the story felt.
This time she got herself a sensual novel and asks Yuki to help her out with her reenactment again. Otherwise she'll have to find someone else, because mannequins are not enough.
After a quick deliberation Yuki decided to help her out, because he doesn't want anyone else to see her naked.

From MangaHelpers:
This is a story of how an esper meets a girl in a small northern town. Tsubasa lives in a dying hot springs town, and he's a mostly friendless middle school delinquent. He actually has super powers, though he thinks of them more like embarrassing and useless powers. Sure, he can use his telekinetic abilities to brush his teeth while getting dressed, or read a book while drinking tea, but for the most part, it's easier just to do stuff with his hands.
One day, though, he hears the thoughts of a mute girl, Yuki, who is targeted for rape by other delinquents, due to her silence. He comes to her aid, and finds that to his surprise, he's able to manipulate her body to beat up her attackers! Unsurprisingly, she draws the conclusion that she is the one with super powers. Since Tsubasa's the only one who "knows her secret," their story together is just beginning!

Asai Fubuki hates interacting with people. To her, everyone looks faceless and monotonous.
So why is she able to see the face of one particular person?

From Ochibichan.

In order to be able to get into the University of her choice with a hundred percent passing rate, Fujino Yuki went into Private Suidou All-Girl Academy, a high school that boasts about the students’ marvelous achievements. Yet, there’s a secret to the school’s excellent results- good looking guys as their teachers! Without knowing about the secret and only having a pure intention of going into that high school, what would happen to Yuki’s fate…?!

From the same author who made Renai Boukun and many others!

Yusuke Sakanoi, a young man who earns a living as a part-time jobber, is rescued by a mysterious beauty who is lying down due to heat stroke one day.
Sakanoi looking for her lost. I managed to find it, but it was soapland !?
Her name is Ginka. A newcomer Yuki Onna who came to the city in search of her husband and spirit at Soapland, Soapland was a feeding ground for Yuki Onna !!
Moreover, for some reason she and Ginka decided to become the first couple ... !!? What is the fate of !!
A cute and sexually knowledgeable Yuki Onna and a pseudo-couple pretend !!?

Akio and Umi live in the same student hostel. While Akio tends to avoid people, Umi is a connoisseur of the one-night stand. Still, with time they begin to seek each other out in order to deal with their pasts.