Suddenly my marriage partner appeared...a super hot company president?! With no experience in love, Reiko Akira is introduced to a marriage partner arranged by her father. What appeared before her eyes was a high education, high income, tall, handsome young company president. “His kiss lit up my heart, and he took me on a date... I'm utterly smitten, but puzzled...”

A love story that begins with the sudden declaration of marriage of a reluctant girl who doesn't know love and a brutally handsome president!

The manga centers on Kamo and his partner Tora, who work in the underworld as "avengers for hire," taking on jobs from the victims of violent crimes and families seeking vengeance for wrongs done to them.

Eternity doesn't mean simply to carry on living.

Akiyoshi Wataru is your average student. He attends cram school, hangs out with his friends and does what boys his age do: Go after girls. One day a particular girl, Iwashita Ayane, catches his attention in cram school, because of her red fingernail. Later in town he sees a familiar girl and follows her. But the girl enters an image club. A brothel that specializes on cosplay. What's more, one of the girls working there goes by the name of "Ayane". What does that mean? And what will Wataru do?

From Must Be Endless:

Set in an ordinary middle school – Hoshitani unexpectedly comes across a love affair between his gym teacher and his frivolous classmate, Kashiwase, and becomes interested in him thereafter. When he finds himself alone with Kashiwase, Kashiwase teases him, but Hoshitani begins to notice the loneliness between the cracks of his confident appearance...

Minato has a habit of dating guys who are pretty abusive and the one he's seeing now is no exemption.

One day he took notice on a certain customer who keeps gazing on a sculpture outside the cafe. Turns out that he is the very artist responsible for that creation.

This world is broken, so are humans. Shuu is one of them. He's a talented sniper who keeps a broken android, named Alice. Together they live like hermits and make living by exterminating caravan robbers, until one day the woman that Shuu saved invites him to live in a commune.

From HaruHime:

The story sets place on a certain southern island. Kakeru, Mana’s stepbrother, has been demanding her body for two years now. One day, Mana goes swimming in the ocean and meets Akihiro. Akihiro transfers into her class, and the two start going out. Although she is pulled in my Akihiro’s bright and kind personality, her frightening life that she spends with Kakeru ceases to change, and the secrecy makes her suffer. On the other side of the situation, Akihiro senses something isn’t right. Mana and Akihiro go to a summer festival, where Kakeru shows up with his childhood friend Ayano. Upon seeing Kakeru follow Mana, Ayano asks Akihiro, “Don’t you think that Kakeru likes Mana?” Akihiro pulls Kakeru away from Mana, and declares, “Mana is my girlfriend.” However, an angered Kakeru knocks Akihiro down, injures him, and before Akihiro’s eyes begins to hold Mana…

1-2-6) I Like Impressive Guys!
The relationship between childhood friends Kouji and Shingo changes drastically when Shingo finds out important news about his cousin Shuuichi who he has always "liked". Shingo likes competent, impressive guys; and Kouji and Shuuichi are no exception. Kouji has long harbored a secret love for Shingo. Will Shingo give this impressive guy a chance?

3) Something Secret
Junya has been trying to get his lover to let him to stay overnight but to no avail. What is the reason for his reluctance? Is he hiding other lovers or a much bigger secret?

4) Tsubo Sagashi no Susume
Daisuke is trying his best to be the best apprentice that he can be, just so he can get the approval he seeks from his senior. A chance happening reveals that approval is not the only thing Daisuke can get from him...

5) Monomania

7) Noisy Night

8) Afterword

After her mother passed away, a young girl named Pepe disguises herself as a boy in order to work. Keeping her mother's pendant with her, she travels to a secluded mansion to work as a servant. While working she stumbles across a secret passage leading her to a prison. Behind the prison bars is a man in a pig mask who calls himself Jack.

Goblin Slayer has enjoyed many an adventure, but the people around him have adventures of their own!

A new spin-off from the wildly popular Goblin Slayer series following the lives of the many other characters Goblin Slayer and the main cast have encountered throughout their adventures.

Life at the Yanagizawa private high school is boring for all attending students who prefer to stare at their smartphones for most of the day, just playing games and chatting to each other. Everyone’s dormant lifestyle though seems to awaken when they are asked to vote for a classmate who will be asked to clear a task or otherwise become the “sacrifice” and suffer a “social death”! What does this mean though? Who will be the first one to be voted and what is a “social death”? The students will find out very soon that some games are far from innocent…

"You were thrown away." No matter how many times you whisper that to me, I still... believe.

University student Yunoki Kouhei continues to wait for his lover to contact him. One day, when Yunoki comes to, he's in his friend's room. However, he's on a bed, and is stark naked......
His "friend" Yuzurihara is a sociable guy with good looks, and is someone who he somehow got close to in university. Pinned by Yuzurihara's gaze, Yunoki questions, "Are you going to assault me?" and then...

The protagonist, Kotaro lives together with his 3 sexy step-sisters

At the National Local Mascot Festival, children all across Japan can meet their favorite local mascots. But as the festival gets underway, it becomes clear that what's inside these costumes aren't people - they're something much darker, with a taste for human flesh. Amid the chaos spreading through the entire country, Keigo Ayahara, his little brother Makoto, and his friend Ako must now fight for their survival and their humanity.

An abused girl, Miyazaki, tries to find the meaning to her life through her teacher and her boyfriend.

Shinomiya Rui is a new high school teacher who loves connecting to her students. Rui Hayase, a student with the same name, will not open up his mind so easily to her. One day, Rui is found shoplifting, instructed by his father to do so. The reason for this is...?!

From MangaHelpers:
After an airplane crash during a school trip, Oribe Mutsumi and her classmates were stranded on a seemingly deserted island. Mutsumi found the other survivors, and used her wilderness knowledge to help them. She expects that they will be rescued in about three days, which doesn't seem so long to endure. However, she didn't account for the fact that the island is populated with gigantic killer insects. Her knowledge of butterflies, wasps, and more may be the only thing that will help any of her classmates survive to be rescued.

Two young men find themselves in a compromising situation when their tyrannical mothers set them up for an arranged marriage. Things get really complicated when the bridegroom's older brother falls head over heels for the cross-dressing bride and an unusual love(?) triangle forms.

Kippei Yuuki is the #1 ranked player in the MMORPG "The Room", and he has the ego to prove it. Real life is boring, and he'd rather be the protagonist of a video game. But soon, Kippei's skills are put on the line when he, and a group of others, awaken in a prison cell. There are monsters nearby, and the environment seems eerily similar to The Room. How did they get here, and who will survive?