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)

New enemies, new bugs and an even bigger island.

Matthew is just another parasite in the chaotic dungeon city of Gray Neighbor. People say he’s a lazy weakling who gambles and drinks away all the money he gets from his keeper, princess knight Arwin. Or so people say. But the truth is, no one in this town knows what he’s really like — a ruthless protector who works in the shadows and will do whatever it takes for the sake of his mistress.

Iver is a dragon maou who stopped trying after historical heroes defeated her every time she resurrected. But the present day hero, Mirio, who found the holy sword by pure chance falls in love with her. And thus forms the couple of the maou with no self-esteem and the dopey hero. This is a story of how they come to know each other, fight, and find happiness.

Marie, a domineering and selfish princess, faced her end under the guillotine's blade after her subjects had enough of her. But instead of staying dead, Marie finds herself back a year in the past, though no matter what she does she can never escape the fate that awaits her in a year.

Eventually, after Marie learns that the only way to escape her own execution is to conquer a large swathe of 'romantically troubled' women, she decides to use her own 'royal charisma' to build a yuri harem!

A survival yuri fantasy about a princess who defies death is about to begin!

Kanae is a girl who is struggling to fit in with the popular clique at her high school. Because she had been bullied in middle school, she has developed an acute inferiority complex that had led her to engage in compensated dating in order to feel wanted.

In comes Hiroshi, a high-school baseball star who became drawn to her after finding her crying during a group date at a karaoke bar. Thus begins an unhealthy relationship between a mentally unstable high-school girl and a jock.

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.

One day, school teachers come as freeloaders to the inn run by his parents!? Kazami Hiro, a high school boy, decides to take care of the inn and his future!? Under one roof, The forbidden harem romantic comedy begins!!

Alice Fujii still isn't having much fun. She survived an assault of psychotic bug-themed assassins at her school, but all the battles, the truth behind her family, the two betrayals from false friends who ended up dead and the loss of her Kumoito knife-gun took a toll on her mental state. As such, she spends her days alone splitting open the heads of the rapist zombies who overran Japan since the aforementioned incident. The Organization wants to hire her as their new Boss, and elsewhere her allies Gokiburi and Kabutomushi are looking for her. What will become of all this?

A girl who calls herself a devil appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under an unfair pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.

Regnard defies expectations by enrolling in the esteemed Royal Academy of Lasarzia despite being a dropout.

However, during the Blessing Ceremony, he receives a peculiar skill called "Blessing of Sleeping Together," leading to ridicule from classmates.

Despite the mockery, Regnard discovers the true potential of this skill when he spends the night with Frost, an honor student.

This revelation leads to unexpected adventures and a harem fantasy, as Regnard navigates the challenges of his newfound abilities and hidden desires.

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"!

Kazuya Kagami never goes anywhere without the precious Sakura Obi his mother gave him. One day a beautiful, kimono-clad girl named Kiriha appeared before him. Kiriha naturally began to live with Kazuya in his room. Then there's Chisato, Kazuya's childhood friend with glasses and a ponytail, who meddles in his affairs. Soon there's also an overprotective older sister who seems to want to take baths with him. Jumble in a huge-chested priestess, a good-looking sorceress named Kokuyoura, beautiful women, and hot girls, and Kazuya's happy, embarrassing, confusing life begins.

A gun otaku dies after toying with a homemade pistol that explodes in his face. In the afterlife, he is told that he will be reincarnated into another world. When the otaku wakes up, he finds that he is no longer human - he’s now just some little furry thing. Near death, he comes across a beautiful warrior, who decides to take care of him because he’s fluffy. However, things take a turn when he finds out that firearms exist in this world?

From the writer of Time Stop Brave and Princess Resurrection comes a new isekai story, which has bears, boobs, and bullets.

Collection of short stories.

Contains:

• Blue

• Hypochristmutreefuzz

• Nandattenda 7days (Kasei no Jijou no Maki)

• 197X
Long, long ago, when things like VHS, Betamax and satellite broadcasting didn’t exist yet, there lived a boy who loved watching movies over anything else - until one day he found something much more interesting to do in the darkness of the movie hall…

• Hageshii Ousama

• Kibou no Tomo

• Zubizuba

“Please teach us naughty things.” One day, Itsuki is transported to another world, where he is confronted by sisters who serve the goddess. In order to return to the real world, he must give them practical sex education!

Rui, an unremarkable high school student, somehow ends up with Miya, a stunning beauty admired by the entire school, as his girlfriend. However, just then, his childhood friend Ayana, with whom he had grown distant, reappears and starts to shake things up for him. A sexy suspense story of wavering between a childhood friend and a girlfriend!

A ronin's life is sent out of control by a mysterious beautiful woman!? A new serialization in Dokodemo Young Champion begins!

Tadano Satoshi is in love with his good friend Fujiyoshi Fuyu. They applied to the same university and he's decided that he'll confess to her once they're both college students!

However, this is a manga, so you know how this goes: she passes the entrance exam, he doesn't.

But he already signed the lease for his off-campus apartment before getting his results back, so it's moving time anyway! There's a surprise waiting for him the first time he opens his closet door, though: an extremely hungover, extremely beautiful, extremely naked woman along with an alarming amount of empty beer cans, snack wrappers, sex toys, and other miscellaneous vices. And it turns out she's lost her wallet, and got amnesia!? Naturally Tadano does what any normal Japanese person would do and drops her off at the police station to get help putting her life back together, and also so he can actually finish unpacking all of his stuff (and clean up that horrendous mess in his closet, yikes).

However, this is a manga, so you know how this goes: that wasn't even slightly the last time this ronin and this thot will ever meet.

Will Tadano's academic career ever get back on track? Is his relationship with Fujiyoshi doomed before it can even begin? Why do his attempts to get away from this mysterious drunken thot improbably fail? Will this manga actually last longer than two volumes before getting axed? Who knows! But it's in Young Champion, so whatever happens, expect to see a lot of boobs along the way.

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.

Eugene Dawson is a young man with a goal: to become strong. He trains under and lives with his mentor, Liza Parsandra, who is regarded as a Sword Saint. In terms of physical prowess, Liza is without equal, and despite her scatterbrained nature, Eugene still enjoys each day with his adorable mentor. However, her defenseless nature, drop-dead gorgeous looks and tendency towards unintentional skin-ship make training feel like an impossible task...?!

"Is this really going to help me get stronger?!"