Heisa Byoutou

Kazushi Sudou is a university student who is visited by his two childhood friends, the sisters Ayane and Kotone Shirakawa. When Ayane discovers that Kazushi not only forgot to buy her pudding but is also using her special lotion in the bath, she decides to take revenge and join Kazushi in his bath along with Kotone. Will the perverted Kazushi be able to remain indifferent to them both?

Sousuke Aikawa is a part-time worker who lives in a rundown apartment building where his only consolation is that the landlord is a beautiful woman and the girl who lives above him is cute. One day though, the ceiling above him creaks and... Bang! In from the second floor, directly above him, the cute girl comes crashing down on him…!? In an erotic encounter that can only be classified as a miracle, hearts and bodies are connected by chance. Then for some reason, he starts to live with both of these beautiful women!? Under this one roof, just what exactly will become of this crowded love triangle...!?

The story follows Rena Yukuhasahi, a reserved office lady and Ryouhei Hachiya, a businessman and fellow colleague. Yukuhasahi appears to be the most reserved girl in the company, but becomes a super beautiful woman when she dresses up. Flustered in the presence of her transformed self, Hachiya insists on taking her out, only to find themselves in front of a love hotel.

Male student Souta Tsukishima begins working at his family's public bathhouse as a back washer. While concealing her true identity, Souta's classmate Aoi Yuzuki visits the bathhouse. A relationship between the two begins to develop when Souta washes Aoi's back.

Kouyou Kotesashi, a sports doctor with massage skills, enrolls at Seiwa University Affiliated High School to secure a scholarship. He works as a live-in dorm manager, managing the school's talented female athletes and managing their well-being through intense training and massage therapy.

The story follows teacher and veteran solo camper Kensuke, who forms a camping group with four girls.

One day, humanity was invaded by another world. Having experienced that battle, known as Other World War I, humanity moved to marine floats, built for emergency evacuation purposes, as soon as Other World War II began. It's around that time that Kizuna Hida is summoned by his elder sister and visits the Strategic Defense Academy Ataraxia where he meets Aine Chidorigafuchi, a girl who uses Heart Hybrid Gear Zeros to fight the otherworldly enemies. He has a tough time dealing with her, but when her Gear runs out of energy, the only way to get it back in action is to do something lewd to her!

Shion and Rui are the dream team when it comes to hitting on women. Tonight was going to be another night of hooking up with girls for Shion, but he ended up taking a strange drug. When he woke up... he'd turned into a girl?! Rui came looking for Shion, but didn't recognize him, and started hitting on him...

Amamizukan is an apartment complex where no boys are allowed. Tsukimi, a girl who adores jellyfish, lives there happily with her friends who all have nerdy obsessions of their own. Their peaceful lives gradually start to change when a beautiful woman helps Tsukimi out of a pinch. She stays overnight at the apartments—but it turns out "she" is really a "he".

Takuya Seo is a quiet otaku who keeps a low profile at school—until two gals from his class start talking to him. The cool but scatterbrained Kei Amane and the cheerful, energetic Kotoko Ijichi couldn’t be more different, but the three soon bond over anime, games, and shared fandom. But one question remains: do nice gals who hang out with otaku really exist?!

Narcotics Enforcement Agent Riko Ikazuchi is undercover with her junior colleague Noma in an apartment that serves as the hideout for a criminal organization. Despite Riko and Noma posing as a newlywed couple, the criminals begin to suspect them after not hearing any marital intimacy during the night. To convince them that they are a loving couple, Noma starts touching Riko's body...

Once most students are done with high school, they leave and never come back. However, at 25 years old, Hana Natori finds herself in the role of a student once more at her aunt's request. Since Hana's cousin, Kaho Miyoshi, refuses to go to school, her aunt begs Hana to take Kaho's place, since the two of them are practically identical. But as luck would have it, she is recognized by Okito Kanie—an old classmate from her days in high school—who is now a teacher! With her cover blown, Hana assumes Kanie will expose her secret. But when he suddenly kisses her, she soon learns he has other ideas.

"A girl in a lower grade just made me cry!" One day, Senpai visits the library after school and becomes the target of a super sadistic junior! The name of the girl who teases, torments, and tantalizes Senpai is "Nagatoro!" She's annoying yet adorable. It's painful, but you still want to be by her side. This is a story about an extremely sadistic and temperamental girl and you'll feel something awaken inside of you.

Eiichirō Maruo (nicknamed "Ei-chan" for his grades being straight "A") is an honor student, bookworm, and is not interested in anything other than studying. In order to solve his problem of lacking physical strength, he enrolled a tennis school and soon found the fascinating side of tennis. Being a tennis newbie lacking physical strength, he supplement his shortcomings with his excellent observing and analyzing skills.

This is the story of a boy, who became the lone Adam among four billion Eves. In a world where a pandemic has rendered all men impotent, high school student Itsuki is the exception who escaped it. In order to protect this secret, he transfers to a very special high school, which turns out to be composed of 90% girls! There, he encounters an upbeat and friendly senior, a sexually frustrated female teacher, a tomboyish school 'prince,' and an heiress from a wealthy family. For Itsuki, who has his pick of any woman in the world, the question remains: which one will he choose?

The year is 1991 and 6th grader Yaguchi Haruo only has video games to live for. He's not popular in school and he's neither handsome, funny, nice nor even friendly. The only thing he has going for him is that he is good at video games. One day at the local arcade, he plays Oono Akira, a fellow classmate but who's popular, smart, pretty and a rich girl that absolutely destroys him at Street Fighter II. Not only does he lose to her 30 times in a row, he can’t beat her at any game. Haruo can’t seem to shake Akira off as she follows him from arcade to arcade everyday after school and beats him every time. As weird as it sounds, the odd couple begins a strange bond and friendship.

Struggling yet brilliant, 19-year-old Minato Sahashi has failed his college entrance exams for the second time, resulting in him being regarded as worthless by those around him. However, the course of his seemingly bleak future is altered dramatically when a beautiful, supernatural woman falls from the sky and into his life. That woman, Musubi, is a "Sekirei," an extraterrestrial with extraordinary abilities. Recognizing the potential of the Ashikabi gene within Minato, Musubi kisses him, initiating a bond between the two of them. This drags him into the high-stakes world of the Sekirei, where he and his new partner must compete against others in a battle for survival called the "Sekirei Plan." However, unbeknownst to the contestants, there is far more at risk that what the competition initially entailed. Manga series by Sakurako Gokurakuin.

Yamada is the cutest girl in the entire school, and she wants to have her way with 100 different boys before the final bell rings. There’s just one problem: she’s never even been kissed! Lucky for her, class geek Kosuda is ready to serve as her own personal Sex Ed dummy! Can these wannabe lovebirds master the art of seduction before the sun sets on high school forever?