Yamada was hospitalized after breaking both hands, to make things worse, due to a unknown condition he has to ejaculate every three hours. The ward is full of evil nurses. Will Yamada be able to live and be discharged from the hospital?

TLDR: Guy has busted hands, gets sent to hospital for chronic ejaculation, guy gotta get his nuts busted by busty whacko nurses.

When the Devil King announces his retirement, he calls forth his two sons, Yomi and Sora, to give them each a quest. Whichever of them finds a pure Yamato maiden within a year would inherit the throne of the Devil King, while the other would die. Thus begins Sora's sex-fuelled adventure to find a woman that can satisfy his father...
(Sakigake!! Otokojuku Wiki)

Akito Shirasawa, a high school boy whose father is a film director, sees something in the library preparation room. It was the "masturbation scene" of his classmate, Natsuho Honjo. Akito is puzzled, but ends up filming it with his smartphone. Natsuho notices Akito, and in the men's restroom, makes a "proposal" to Akito! Exposed high school girl and movie boy. The "exposed love" of twisted adolescence, begins!

Mangaka's Twitter: https://twitter.com/UMA_raclette

A man was about to commit suicide and decides to search for a way to die in the internet, but then he found an odd site that asked a lot of questions and had a point based system that allows you to create skills and abilities for a character. He took interest in it and when he finished setting his character he was asked "You will now be transported to a world with the settings you choose, coming back is not possible, do you still accept?" Then without thinking much of it he pressed YES and found himself in another world with the skills and abilities he chose to have.

Bianca de Arno was a ruthless countess in the Kingdom of Sevran, infamous for being a wicked and selfish wife. While her husband, Count Zachary de Arno, bravely risked his life out on the battlefield, she sat at home and spent his money. It wasn’t until her final day that Bianca realized the error of her ways. Before she died, Bianca prayed for a second chance, swearing she would do better, and woke up in her 19-year-old body. With her second chance, Bianca starts to see everything in a new light... starting with her husband.

Sakra, the last surviving princess of a fallen kingdom, is being hunted down for the power of Ambrosia she possesses - the ability to grant divine strength, but only to a human. With no human companion, she decides to summon one from another world in a desperate attempt to find a knight to protect her, but the man who answers her call is less than what she had hoped for.

From MangaHelpers:
People have been created that are human-animal hybrids, and powerful businesses bet on the outcome of their duels. College student Nomoto Yuuya's casual acquaintances ask him to drive them around to pick up girls one day, which he soon finds out means by force. The girl they kidnap is an animal-human hybrid named Hitomi, who slaughters all of them except Yuuya. Hitomi is a honey badger, which has been called the most fearless of all animals. Now Hitomi is assigned to stay with Yuuya, for his protection.

The story begins with the protagonist, Wakou Ichiro, who decides to return home early from work to celebrate his second anniversary with his wife. But, when he opens the door of his house.... He finds his wife cheating on him! Although the marriage was short-lived, his life changes again when suddenly, a certain woman appears in front of him? Thus begins a new story, a new erotic comedy!

He got a cute girlfriend who was the first in his life, but her friend tempted him with a body that was lewder than her ... What would you do if your girlfriend's friend pressed you like this? A fascinating erotic story drawn by Jura from the popular doujin circle "JACK-POT".

In a town with nothing, in the middle of a daily life with seemingly no signs of change, high schooler Reiji Kurose was "just" living. Family, dreams for the future, childhood friends. All of them were binding him down to that city. He thought he would "just" keep on living like that. Until he met her. Is there hope in living? Is there light waiting ahead? It's the start of a boy meets girl series which reflects the "now".

By the author of Hatsukoi Zombie

High school student Gotou has a crush on his gyaru classmate Agawa. One day after school he sees her having sex with a classmate in an empty classroom. "A 100% pure romcom that starts from NTR."

The complicated story of a young man who goes to work for a lingerie company.

An introverted high school student, Souichi Sakuraba, is being bullied severely by the “Yokai” classmates. The bullying escalates, and Souichi’s childhood friend, Azusa, who was the only one who trusted him, is defiled by them. In front of Souichi, who was in the depths of despair, the succubus, Asmode, appeared. Souichi makes a contract with a succubus who possesses a mysterious ability, and decides to make the bully’s loved ones suffer the same pain as himself by “cuckolding” them. The obscene revenge by “NTR” begins.

Set on a solitary island in the distant sea, a dangerous school life begins!

Kaoru Jahana, a boy who aspires to become a true man, begins his high school life on a solitary island in the sea. There, he meets a charming girl, Kanra, who is actually a demon who feeds on men's spirits...and it turns out that all the women on this island are the same demons!?

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.

Rin's village getting attacked by bandits doesn't keep her down in the dumps for long! Picking up a sword housing an extraordinary pervert… I mean hero, Siegfried, she sets off on a journey of many bouts with various degenerat… ahem, heroes!

When Sora enters high school, his homeroom teacher is a sexy gal with huge breasts and she’s none other than the changed version of Suzune, the innocent girl next door who was his first love! As the teacher’s “educational guidance” escalates day by day, Sora is awakened to pleasures he’s never known before…!

Hiromi Sonoda has no girlfriend, no job, and no home, until he finds a shared-house with very cheap rent and goes to check it out. However, the share-house has a certain condition... Kei Sasuga presents a new "Share House Romantic Comedy"!

Seven women, one man, a suspenseful harem story!

During a class reunion, the school became an enclosed dimension without warning. Yelling and screaming brought no response. 26-year old unemployed Haruka Sato has to survive by cooperating with seven of his former classmates. Soon, the extreme conditions began to eat away at their sanity, and Haruka's hidden desires began to take hold.

The journey of a genius girl who became immortal to grant her dreams of being bred to different species of creatures in order to fulfill her curiosity.