"Onii-tama?"
Cain, who reincarnated as one of the love interests of an otome game, screamed at the loveliness of his sister, Diana. I can't believe that this angel is going to be a villainess with countless bad ends-- No, there is no way that such a future can exist!
Clenching his fist tightly, he raises his sister into a gentle lady, while also dispelling the darkness held by the love interests in place of the heroine.
Relying on his game knowledge from his previous life and an orphaned chamberlain. Everything for his beloved sister-- The brother's challenge begins now!

After—something—changed his life four years ago, Sunny has not left his house once, living in his own reclusive bubble. Hoping for a fresh start for her son, his mother decides to move their family out of town. However, when his childhood friend Kel re-enters his life, Sunny finds himself thrust back into a world he once knew. With only three days before the move, the duo come across familiar faces as they go through town—reawakening a dark past that Sunny has tried so hard to forget.

The No.1 Hitman, Kim Gun, finds himself plunged into the world of martial arts due to a mysterious accident. To return to his original world, he must complete a mission called 'Martial Arts Conquest.'

With a total of 2 guns, Kim Gun's adventure to subdue the unfamiliar martial arts world begins.

"...I hate you!"
"What a coincidence. So do I."

The two once belonged to opposing organisations of supernatural power users, and fought for their own opposing goals. Roushi Saikawa, also known as the "Feather Hunter," and Ritsuka Yanagi, the strongest supernatural power user known as the "White Demon." The two spent their days battling each other and had no normal social experience, but...

"I love you, Rou-kun."
"Me too, Ritsuka."

After their organisation was disbanded, they somehow started dating and then got married! Is their hatred 100 times more adorable? Now, they are the epitome of a lovey-dovey couple, kissing each other at the door every morning when they go to work. But the husband had just one problem. That is, he had never shared a bed with his wife... In other words, even though he was married, he was still a virgin! This is the story of the hardships faced by such a husband, who gets caught up in numerous troubles but continues to make desperate attempts to deepen his love with his strict wife.

Ao and Takaomi are two childhood friends living near an industrial area. Keeping their feelings hidden from one another, they carry on with their high school everyday.

"It's our final summer in school. Let's go see the factory nightscapes—just the two of us." This is their promise, and a romance begins to bloom. However, a certain incident spells turmoil for their budding relationship, placing them at the mercy of an unstoppable fate...

The first work in the social awareness series; the story of two people's persistent love in a world of absolute madness.

The crown prince announced that her engagement was broken off and she was exiled. All my efforts as her attendant to avoid such a scenario were all in vain, unable to avoid the condemnation flag, my villainess suggested that she wanted to be my sex slave?!

_"Please break my hymen! I'm Kaito's sex slave after all. Please let out a lot in my baby room."_

She was once called the ice princess but now that has been warped, she's now begging for me to cum inside her. As the princess, she's as good as dead. She didn't show a single hint of regret or remorse during her first experience.

_"AHH! I'm cumming! Fine, I'll make you my sex slave as you wish!!"_

Together with Kaito who reincarnated and had known of her ruin, Chris became his sex slave happily.

A chaotic and ecchi romantic comedy about a goddess out to curse a family and the unfortunate guy who falls for her!

Kuro, a black cat, is a god of fortune down on her luck. She’s turned into a “vengeful god” against her will, and the only way to return to her former status is to curse seven generations of the Nishikori bloodline. She’s close to being free, but to get there, she needs to make sure the seventh generation actually gets born. That means finding a match for Nishikori Kotaro…which is harder than you might think, because Kotaro is tragically unpopular. Not only that, he insists that the only woman he wants…is cat-eared Kuro herself!

"Ethics" is the path of humanity, a principle that becomes the norm of morality. It is not necessary to learn it, but the lessons are laden with the truths of life. Cool ethics teacher Takayanagi confronts his students' problems and their beliefs.

After losing everything in the Great Famine, Amelia and Connor immigrated from Ireland to the United States of America in 1849 to find happiness and become rich in California during the Gold Rush period.

Yuusuke, an average office worker, meets with his friend at a reunion -- only to realise that the fashion world has left him behind. Now, with the help of his sister Tamaki, Yuusuke steps into the world of trend and charisma.

The story of Yugami Maiko, a girl with a fetish for teeth, and Hizumi Ryuuji, a guy who hates his teeth.

Yawara Inokuma is a talented judoka raised and trained by her grandfather Jigoro. Her grandfather says she's supposed to become the hope of Japan's judo team in Seoul in 1988, but she has different plans: to finish high school and find a boyfriend... like all her friends. But being a normal girl and an Olympic champion are two different things. Which path will she choose to follow?

Note: Won the 35th Shogakukan Manga Award for general manga in 1990.

The Ice Age apocalypse is coming. After being betrayed and killed by my secret crush, I was reborn and gained a magical ability - the snacks I ate suddenly turned into plants? What's surprising is that this ability can be used in this way... Crisis is everywhere, I want to live for myself in this life!

Kaoru Shinonome, who had been living as a freelancer, invests her inheritance in property and buys a vast old condominium. Her dream life as a wealthy landlord is about to begin—but there are no living tenants, only spirits, and her new property is a rollercoaster ride of psychic phenomena. Kaoru embraces her new specter-filled life as the owner of Ghost Mansion and starts recruiting for new non-living residents!

Ichabod is a young boy trying to find his biological father. This pursuit isn't made any easier by his tendency to get into trouble with the law. To top things off, his parents are just downright weird: Ichabod was raised by a lesbian couple. Thank god he meets Kirico, who is anything but ordinary.

From MangaHelpers:

This 4-koma comedy manga follows the daily life of the intelligent, responsible 6th grade elementary school student Haruna Raika. She keeps busy as the elementary student council president and the classroom leader, and she even fills in for the teacher sometimes! [tethysdust]

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4-Koma comedy following the super genius grade school student Haruna Raika and her every day life. Where she's the class president, the room leader, the top student, and even fills in for the teacher when they've overslept!

Traveling from Kagoshima to Hokkaido (~2800 km/~1700 mi) in her trusty, bedazzled touring cycle, this is a story of 18 year old sparkling gyaru Michibata Michika!

Botan Ichige has just enrolled in St. Asmaria All-Girl's School where angels are said to live. It turns out that angels do indeed live there, and after an accident, an angel named Un offers Botan her halo as a snack. After eating it, Botan discovers it had some bizarre side-effects, causing her to regularly "give birth" to colorful mushrooms. Is this the life of an angel!?

One day, Hajime Tamachi, an apathetic man, receives an unexpected message from Renafalt, a friend he met five years ago in an online game, whose face he has never seen: "Senpai, how about hiring a home security guard?" Convinced that Renafalt is 200% a man, Tama arrives at the meeting spot and sees someone with a red suitcase, just as they had arranged. However, that person turns out to be a beautiful girl with large breasts. "Ah... A-Are you... Senpai?"

An ordinary office worker, Akira Ichijo, was attacked by a Minotaur on his way home from work.

In the next moment, he woke up in his office desk, Akira was resurrected from death, inherited his level and status, and possessed a unique skill called "Return from the Underworld" that allowed him to restart his life at a certain time.

Now Akira makes full use of his skill and everything he had to search and survive with his childhood friend Nao Nanase to face this cruel world!!